20786844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 52553088

約数和(自身を除く): 31766244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 227, 454, 587, 681, 908, 1174, 1362, 1761, 2348, 2724, 2951, 3522, 5902, 7044, 7631, 8853, 11804, 15262, 17706, 22893, 30524, 35412, 45786, 91572, 133249, 266498, 399747, 532996, 799494, 1598988, 1732237, 3464474, 5196711, 6928948, 10393422, 20786844]

約数ペア:

[(1, 20786844), (2, 10393422), (3, 6928948), (4, 5196711), (6, 3464474), (12, 1732237), (13, 1598988), (26, 799494), (39, 532996), (52, 399747), (78, 266498), (156, 133249), (227, 91572), (454, 45786), (587, 35412), (681, 30524), (908, 22893), (1174, 17706), (1362, 15262), (1761, 11804), (2348, 8853), (2724, 7631), (2951, 7044), (3522, 5902)]