20187335780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1915307}}^1$

素因数の和:1915364

約数の個数: 48

約数和(自身を含む): 46335131136

約数和(自身を除く): 26147795356

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 1915307, 3830614, 7661228, 9576535, 19153070, 32560219, 38306140, 59374517, 65120438, 118749034, 130240876, 162801095, 237498068, 296872585, 325602190, 593745170, 651204380, 1009366789, 1187490340, 2018733578, 4037467156, 5046833945, 10093667890, 20187335780]

約数ペア:

[(1, 20187335780), (2, 10093667890), (4, 5046833945), (5, 4037467156), (10, 2018733578), (17, 1187490340), (20, 1009366789), (31, 651204380), (34, 593745170), (62, 325602190), (68, 296872585), (85, 237498068), (124, 162801095), (155, 130240876), (170, 118749034), (310, 65120438), (340, 59374517), (527, 38306140), (620, 32560219), (1054, 19153070), (2108, 9576535), (2635, 7661228), (5270, 3830614), (10540, 1915307)]