20145155660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{121021}}^1$

素因数の和:121107

約数の個数: 96

約数和(自身を含む): 51235873920

約数和(自身を除く): 31090718260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 58, 70, 82, 116, 140, 145, 164, 203, 205, 287, 290, 406, 410, 574, 580, 812, 820, 1015, 1148, 1189, 1435, 2030, 2378, 2870, 4060, 4756, 5740, 5945, 8323, 11890, 16646, 23780, 33292, 41615, 83230, 121021, 166460, 242042, 484084, 605105, 847147, 1210210, 1694294, 2420420, 3388588, 3509609, 4235735, 4961861, 7019218, 8471470, 9923722, 14038436, 16942940, 17548045, 19847444, 24567263, 24809305, 34733027, 35096090, 49134526, 49618610, 69466054, 70192180, 98269052, 99237220, 122836315, 138932108, 143893969, 173665135, 245672630, 287787938, 347330270, 491345260, 575575876, 694660540, 719469845, 1007257783, 1438939690, 2014515566, 2877879380, 4029031132, 5036288915, 10072577830, 20145155660]

約数ペア:

[(1, 20145155660), (2, 10072577830), (4, 5036288915), (5, 4029031132), (7, 2877879380), (10, 2014515566), (14, 1438939690), (20, 1007257783), (28, 719469845), (29, 694660540), (35, 575575876), (41, 491345260), (58, 347330270), (70, 287787938), (82, 245672630), (116, 173665135), (140, 143893969), (145, 138932108), (164, 122836315), (203, 99237220), (205, 98269052), (287, 70192180), (290, 69466054), (406, 49618610), (410, 49134526), (574, 35096090), (580, 34733027), (812, 24809305), (820, 24567263), (1015, 19847444), (1148, 17548045), (1189, 16942940), (1435, 14038436), (2030, 9923722), (2378, 8471470), (2870, 7019218), (4060, 4961861), (4756, 4235735), (5740, 3509609), (5945, 3388588), (8323, 2420420), (11890, 1694294), (16646, 1210210), (23780, 847147), (33292, 605105), (41615, 484084), (83230, 242042), (121021, 166460)]