20960169920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2258639}}^1$

素因数の和:2258685

約数の個数: 56

約数和(自身を含む): 51632510400

約数和(自身を除く): 30672340480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 2258639, 4517278, 9034556, 11293195, 18069112, 22586390, 36138224, 45172780, 65500531, 72276448, 90345560, 131001062, 144552896, 180691120, 262002124, 327502655, 361382240, 524004248, 655005310, 722764480, 1048008496, 1310010620, 2096016992, 2620021240, 4192033984, 5240042480, 10480084960, 20960169920]

約数ペア:

[(1, 20960169920), (2, 10480084960), (4, 5240042480), (5, 4192033984), (8, 2620021240), (10, 2096016992), (16, 1310010620), (20, 1048008496), (29, 722764480), (32, 655005310), (40, 524004248), (58, 361382240), (64, 327502655), (80, 262002124), (116, 180691120), (145, 144552896), (160, 131001062), (232, 90345560), (290, 72276448), (320, 65500531), (464, 45172780), (580, 36138224), (928, 22586390), (1160, 18069112), (1856, 11293195), (2320, 9034556), (4640, 4517278), (9280, 2258639)]