20912208

素因数分解:

$2^4\times 3^1\times {\mathrm{191}}^1\times {\mathrm{2281}}^1$

素因数の和:2483

約数の個数: 40

約数和(自身を含む): 54329856

約数和(自身を除く): 33417648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 191, 382, 573, 764, 1146, 1528, 2281, 2292, 3056, 4562, 4584, 6843, 9124, 9168, 13686, 18248, 27372, 36496, 54744, 109488, 435671, 871342, 1307013, 1742684, 2614026, 3485368, 5228052, 6970736, 10456104, 20912208]

約数ペア:

[(1, 20912208), (2, 10456104), (3, 6970736), (4, 5228052), (6, 3485368), (8, 2614026), (12, 1742684), (16, 1307013), (24, 871342), (48, 435671), (191, 109488), (382, 54744), (573, 36496), (764, 27372), (1146, 18248), (1528, 13686), (2281, 9168), (2292, 9124), (3056, 6843), (4562, 4584)]