20603940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49057}}^1$

素因数の和:49076

約数の個数: 48

約数和(自身を含む): 65933952

約数和(自身を除く): 45330012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49057, 98114, 147171, 196228, 245285, 294342, 343399, 490570, 588684, 686798, 735855, 981140, 1030197, 1373596, 1471710, 1716995, 2060394, 2943420, 3433990, 4120788, 5150985, 6867980, 10301970, 20603940]

約数ペア:

[(1, 20603940), (2, 10301970), (3, 6867980), (4, 5150985), (5, 4120788), (6, 3433990), (7, 2943420), (10, 2060394), (12, 1716995), (14, 1471710), (15, 1373596), (20, 1030197), (21, 981140), (28, 735855), (30, 686798), (35, 588684), (42, 490570), (60, 343399), (70, 294342), (84, 245285), (105, 196228), (140, 147171), (210, 98114), (420, 49057)]