20050140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1827

約数の個数: 96

約数和(自身を含む): 64882944

約数和(自身を除く): 44832804

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1787, 1870, 2244, 2805, 3574, 3740, 5361, 5610, 7148, 8935, 10722, 11220, 17870, 19657, 21444, 26805, 30379, 35740, 39314, 53610, 58971, 60758, 78628, 91137, 98285, 107220, 117942, 121516, 151895, 182274, 196570, 235884, 294855, 303790, 334169, 364548, 393140, 455685, 589710, 607580, 668338, 911370, 1002507, 1179420, 1336676, 1670845, 1822740, 2005014, 3341690, 4010028, 5012535, 6683380, 10025070, 20050140]

約数ペア:

[(1, 20050140), (2, 10025070), (3, 6683380), (4, 5012535), (5, 4010028), (6, 3341690), (10, 2005014), (11, 1822740), (12, 1670845), (15, 1336676), (17, 1179420), (20, 1002507), (22, 911370), (30, 668338), (33, 607580), (34, 589710), (44, 455685), (51, 393140), (55, 364548), (60, 334169), (66, 303790), (68, 294855), (85, 235884), (102, 196570), (110, 182274), (132, 151895), (165, 121516), (170, 117942), (187, 107220), (204, 98285), (220, 91137), (255, 78628), (330, 60758), (340, 58971), (374, 53610), (510, 39314), (561, 35740), (660, 30379), (748, 26805), (935, 21444), (1020, 19657), (1122, 17870), (1787, 11220), (1870, 10722), (2244, 8935), (2805, 7148), (3574, 5610), (3740, 5361)]