20194203380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1\times {\mathrm{41117}}^1$

素因数の和:43028

約数の個数: 48

約数和(自身を含む): 45695255760

約数和(自身を除く): 25501052380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1889, 3778, 7556, 9445, 18890, 24557, 37780, 41117, 49114, 82234, 98228, 122785, 164468, 205585, 245570, 411170, 491140, 534521, 822340, 1069042, 2138084, 2672605, 5345210, 10690420, 77670013, 155340026, 310680052, 388350065, 776700130, 1009710169, 1553400260, 2019420338, 4038840676, 5048550845, 10097101690, 20194203380]

約数ペア:

[(1, 20194203380), (2, 10097101690), (4, 5048550845), (5, 4038840676), (10, 2019420338), (13, 1553400260), (20, 1009710169), (26, 776700130), (52, 388350065), (65, 310680052), (130, 155340026), (260, 77670013), (1889, 10690420), (3778, 5345210), (7556, 2672605), (9445, 2138084), (18890, 1069042), (24557, 822340), (37780, 534521), (41117, 491140), (49114, 411170), (82234, 245570), (98228, 205585), (122785, 164468)]