20205916100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{224261}}^1$

素因数の和:224345

約数の個数: 72

約数和(自身を含む): 47302238088

約数和(自身を除く): 27096321988

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 106, 170, 212, 265, 340, 425, 530, 850, 901, 1060, 1325, 1700, 1802, 2650, 3604, 4505, 5300, 9010, 18020, 22525, 45050, 90100, 224261, 448522, 897044, 1121305, 2242610, 3812437, 4485220, 5606525, 7624874, 11213050, 11885833, 15249748, 19062185, 22426100, 23771666, 38124370, 47543332, 59429165, 76248740, 95310925, 118858330, 190621850, 202059161, 237716660, 297145825, 381243700, 404118322, 594291650, 808236644, 1010295805, 1188583300, 2020591610, 4041183220, 5051479025, 10102958050, 20205916100]

約数ペア:

[(1, 20205916100), (2, 10102958050), (4, 5051479025), (5, 4041183220), (10, 2020591610), (17, 1188583300), (20, 1010295805), (25, 808236644), (34, 594291650), (50, 404118322), (53, 381243700), (68, 297145825), (85, 237716660), (100, 202059161), (106, 190621850), (170, 118858330), (212, 95310925), (265, 76248740), (340, 59429165), (425, 47543332), (530, 38124370), (850, 23771666), (901, 22426100), (1060, 19062185), (1325, 15249748), (1700, 11885833), (1802, 11213050), (2650, 7624874), (3604, 5606525), (4505, 4485220), (5300, 3812437), (9010, 2242610), (18020, 1121305), (22525, 897044), (45050, 448522), (90100, 224261)]