20187732180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229981}}^1$

素因数の和:230030

約数の個数: 192

約数和(自身を含む): 74182993920

約数和(自身を除く): 53995261740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 231, 266, 285, 308, 330, 380, 385, 399, 418, 420, 462, 532, 570, 627, 660, 665, 770, 798, 836, 924, 1045, 1140, 1155, 1254, 1330, 1463, 1540, 1596, 1995, 2090, 2310, 2508, 2660, 2926, 3135, 3990, 4180, 4389, 4620, 5852, 6270, 7315, 7980, 8778, 12540, 14630, 17556, 21945, 29260, 43890, 87780, 229981, 459962, 689943, 919924, 1149905, 1379886, 1609867, 2299810, 2529791, 2759772, 3219734, 3449715, 4369639, 4599620, 4829601, 5059582, 6439468, 6899430, 7589373, 8049335, 8739278, 9659202, 10119164, 12648955, 13108917, 13798860, 15178746, 16098670, 17478556, 17708537, 19318404, 21848195, 24148005, 25297910, 26217834, 30357492, 30587473, 32197340, 35417074, 37946865, 43696390, 48066029, 48296010, 50595820, 52435668, 53125611, 61174946, 65544585, 70834148, 75893730, 87392780, 88542685, 91762419, 96132058, 96592020, 106251222, 122349892, 131089170, 144198087, 151787460, 152937365, 177085370, 183524838, 192264116, 212502444, 240330145, 262178340, 265628055, 288396174, 305874730, 336462203, 354170740, 367049676, 458812095, 480660290, 531256110, 576792348, 611749460, 672924406, 720990435, 917624190, 961320580, 1009386609, 1062512220, 1345848812, 1441980870, 1682311015, 1835248380, 2018773218, 2883961740, 3364622030, 4037546436, 5046933045, 6729244060, 10093866090, 20187732180]

約数ペア:

[(1, 20187732180), (2, 10093866090), (3, 6729244060), (4, 5046933045), (5, 4037546436), (6, 3364622030), (7, 2883961740), (10, 2018773218), (11, 1835248380), (12, 1682311015), (14, 1441980870), (15, 1345848812), (19, 1062512220), (20, 1009386609), (21, 961320580), (22, 917624190), (28, 720990435), (30, 672924406), (33, 611749460), (35, 576792348), (38, 531256110), (42, 480660290), (44, 458812095), (55, 367049676), (57, 354170740), (60, 336462203), (66, 305874730), (70, 288396174), (76, 265628055), (77, 262178340), (84, 240330145), (95, 212502444), (105, 192264116), (110, 183524838), (114, 177085370), (132, 152937365), (133, 151787460), (140, 144198087), (154, 131089170), (165, 122349892), (190, 106251222), (209, 96592020), (210, 96132058), (220, 91762419), (228, 88542685), (231, 87392780), (266, 75893730), (285, 70834148), (308, 65544585), (330, 61174946), (380, 53125611), (385, 52435668), (399, 50595820), (418, 48296010), (420, 48066029), (462, 43696390), (532, 37946865), (570, 35417074), (627, 32197340), (660, 30587473), (665, 30357492), (770, 26217834), (798, 25297910), (836, 24148005), (924, 21848195), (1045, 19318404), (1140, 17708537), (1155, 17478556), (1254, 16098670), (1330, 15178746), (1463, 13798860), (1540, 13108917), (1596, 12648955), (1995, 10119164), (2090, 9659202), (2310, 8739278), (2508, 8049335), (2660, 7589373), (2926, 6899430), (3135, 6439468), (3990, 5059582), (4180, 4829601), (4389, 4599620), (4620, 4369639), (5852, 3449715), (6270, 3219734), (7315, 2759772), (7980, 2529791), (8778, 2299810), (12540, 1609867), (14630, 1379886), (17556, 1149905), (21945, 919924), (29260, 689943), (43890, 459962), (87780, 229981)]