19763940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47057}}^1$

素因数の和:47076

約数の個数: 48

約数和(自身を含む): 63245952

約数和(自身を除く): 43482012

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, 47057, 94114, 141171, 188228, 235285, 282342, 329399, 470570, 564684, 658798, 705855, 941140, 988197, 1317596, 1411710, 1646995, 1976394, 2823420, 3293990, 3952788, 4940985, 6587980, 9881970, 19763940]

約数ペア:

[(1, 19763940), (2, 9881970), (3, 6587980), (4, 4940985), (5, 3952788), (6, 3293990), (7, 2823420), (10, 1976394), (12, 1646995), (14, 1411710), (15, 1317596), (20, 988197), (21, 941140), (28, 705855), (30, 658798), (35, 564684), (42, 470570), (60, 329399), (70, 282342), (84, 235285), (105, 188228), (140, 141171), (210, 94114), (420, 47057)]