20189403645

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1\times {\mathrm{25469}}^1$

素因数の和:26749

約数の個数: 32

約数和(自身を含む): 33082473600

約数和(自身を除く): 12893069955

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1229, 3687, 6145, 18435, 25469, 52847, 76407, 127345, 158541, 264235, 382035, 792705, 1095167, 3285501, 5475835, 16427505, 31301401, 93904203, 156507005, 469521015, 1345960243, 4037880729, 6729801215, 20189403645]

約数ペア:

[(1, 20189403645), (3, 6729801215), (5, 4037880729), (15, 1345960243), (43, 469521015), (129, 156507005), (215, 93904203), (645, 31301401), (1229, 16427505), (3687, 5475835), (6145, 3285501), (18435, 1095167), (25469, 792705), (52847, 382035), (76407, 264235), (127345, 158541)]