20071380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6827}}^1$

素因数の和:6853

約数の個数: 72

約数和(自身を含む): 65384928

約数和(自身を除く): 45313548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6827, 13654, 20481, 27308, 34135, 40962, 47789, 68270, 81924, 95578, 102405, 136540, 143367, 191156, 204810, 238945, 286734, 334523, 409620, 477890, 573468, 669046, 716835, 955780, 1003569, 1338092, 1433670, 1672615, 2007138, 2867340, 3345230, 4014276, 5017845, 6690460, 10035690, 20071380]

約数ペア:

[(1, 20071380), (2, 10035690), (3, 6690460), (4, 5017845), (5, 4014276), (6, 3345230), (7, 2867340), (10, 2007138), (12, 1672615), (14, 1433670), (15, 1338092), (20, 1003569), (21, 955780), (28, 716835), (30, 669046), (35, 573468), (42, 477890), (49, 409620), (60, 334523), (70, 286734), (84, 238945), (98, 204810), (105, 191156), (140, 143367), (147, 136540), (196, 102405), (210, 95578), (245, 81924), (294, 68270), (420, 47789), (490, 40962), (588, 34135), (735, 27308), (980, 20481), (1470, 13654), (2940, 6827)]