20173230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 47757906

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 41, 42, 45, 55, 63, 66, 70, 71, 77, 82, 90, 99, 105, 110, 123, 126, 142, 154, 165, 198, 205, 210, 213, 231, 246, 287, 315, 330, 355, 369, 385, 410, 426, 451, 462, 495, 497, 574, 615, 630, 639, 693, 710, 738, 770, 781, 861, 902, 990, 994, 1065, 1155, 1230, 1278, 1353, 1386, 1435, 1491, 1562, 1722, 1845, 2130, 2255, 2310, 2343, 2485, 2583, 2706, 2870, 2911, 2982, 3157, 3195, 3465, 3690, 3905, 4059, 4305, 4473, 4510, 4686, 4970, 5166, 5467, 5822, 6314, 6390, 6765, 6930, 7029, 7455, 7810, 8118, 8610, 8733, 8946, 9471, 10934, 11715, 12915, 13530, 14058, 14555, 14910, 15785, 16401, 17466, 18942, 20295, 20377, 22365, 23430, 25830, 26199, 27335, 28413, 29110, 31570, 32021, 32802, 35145, 40590, 40754, 43665, 44730, 47355, 49203, 52398, 54670, 56826, 61131, 64042, 70290, 82005, 87330, 94710, 96063, 98406, 101885, 122262, 130995, 142065, 160105, 164010, 183393, 192126, 203770, 224147, 246015, 261990, 284130, 288189, 305655, 320210, 366786, 448294, 480315, 492030, 576378, 611310, 672441, 916965, 960630, 1120735, 1344882, 1440945, 1833930, 2017323, 2241470, 2881890, 3362205, 4034646, 6724410, 10086615, 20173230]

約数ペア:

[(1, 20173230), (2, 10086615), (3, 6724410), (5, 4034646), (6, 3362205), (7, 2881890), (9, 2241470), (10, 2017323), (11, 1833930), (14, 1440945), (15, 1344882), (18, 1120735), (21, 960630), (22, 916965), (30, 672441), (33, 611310), (35, 576378), (41, 492030), (42, 480315), (45, 448294), (55, 366786), (63, 320210), (66, 305655), (70, 288189), (71, 284130), (77, 261990), (82, 246015), (90, 224147), (99, 203770), (105, 192126), (110, 183393), (123, 164010), (126, 160105), (142, 142065), (154, 130995), (165, 122262), (198, 101885), (205, 98406), (210, 96063), (213, 94710), (231, 87330), (246, 82005), (287, 70290), (315, 64042), (330, 61131), (355, 56826), (369, 54670), (385, 52398), (410, 49203), (426, 47355), (451, 44730), (462, 43665), (495, 40754), (497, 40590), (574, 35145), (615, 32802), (630, 32021), (639, 31570), (693, 29110), (710, 28413), (738, 27335), (770, 26199), (781, 25830), (861, 23430), (902, 22365), (990, 20377), (994, 20295), (1065, 18942), (1155, 17466), (1230, 16401), (1278, 15785), (1353, 14910), (1386, 14555), (1435, 14058), (1491, 13530), (1562, 12915), (1722, 11715), (1845, 10934), (2130, 9471), (2255, 8946), (2310, 8733), (2343, 8610), (2485, 8118), (2583, 7810), (2706, 7455), (2870, 7029), (2911, 6930), (2982, 6765), (3157, 6390), (3195, 6314), (3465, 5822), (3690, 5467), (3905, 5166), (4059, 4970), (4305, 4686), (4473, 4510)]