20165127948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1\times {\mathrm{1489}}^1$

素因数の和:2448

約数の個数: 144

約数和(自身を含む): 59316828480

約数和(自身を除く): 39151700532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 881, 1098, 1281, 1489, 1708, 1762, 2196, 2562, 2643, 2978, 3524, 3843, 4467, 5124, 5286, 5956, 6167, 7686, 7929, 8934, 10423, 10572, 12334, 13401, 15372, 15858, 17868, 18501, 20846, 24668, 26802, 31269, 31716, 37002, 41692, 53604, 53741, 55503, 62538, 74004, 90829, 93807, 107482, 111006, 125076, 161223, 181658, 187614, 214964, 222012, 272487, 322446, 363316, 375228, 376187, 483669, 544974, 635803, 644892, 752374, 817461, 967338, 1089948, 1128561, 1271606, 1311809, 1504748, 1634922, 1907409, 1934676, 2257122, 2543212, 2623618, 3269844, 3385683, 3814818, 3935427, 4514244, 5247236, 5722227, 6771366, 7629636, 7870854, 9182663, 11444454, 11806281, 13542732, 15741708, 18365326, 22888908, 23612562, 27547989, 36730652, 47225124, 55095978, 80020349, 82643967, 110191956, 160040698, 165287934, 240061047, 320081396, 330575868, 480122094, 560142443, 720183141, 960244188, 1120284886, 1440366282, 1680427329, 2240569772, 2880732564, 3360854658, 5041281987, 6721709316, 10082563974, 20165127948]

約数ペア:

[(1, 20165127948), (2, 10082563974), (3, 6721709316), (4, 5041281987), (6, 3360854658), (7, 2880732564), (9, 2240569772), (12, 1680427329), (14, 1440366282), (18, 1120284886), (21, 960244188), (28, 720183141), (36, 560142443), (42, 480122094), (61, 330575868), (63, 320081396), (84, 240061047), (122, 165287934), (126, 160040698), (183, 110191956), (244, 82643967), (252, 80020349), (366, 55095978), (427, 47225124), (549, 36730652), (732, 27547989), (854, 23612562), (881, 22888908), (1098, 18365326), (1281, 15741708), (1489, 13542732), (1708, 11806281), (1762, 11444454), (2196, 9182663), (2562, 7870854), (2643, 7629636), (2978, 6771366), (3524, 5722227), (3843, 5247236), (4467, 4514244), (5124, 3935427), (5286, 3814818), (5956, 3385683), (6167, 3269844), (7686, 2623618), (7929, 2543212), (8934, 2257122), (10423, 1934676), (10572, 1907409), (12334, 1634922), (13401, 1504748), (15372, 1311809), (15858, 1271606), (17868, 1128561), (18501, 1089948), (20846, 967338), (24668, 817461), (26802, 752374), (31269, 644892), (31716, 635803), (37002, 544974), (41692, 483669), (53604, 376187), (53741, 375228), (55503, 363316), (62538, 322446), (74004, 272487), (90829, 222012), (93807, 214964), (107482, 187614), (111006, 181658), (125076, 161223)]