20328780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14731}}^1$

素因数の和:14766

約数の個数: 48

約数和(自身を含む): 59399424

約数和(自身を除く): 39070644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14731, 29462, 44193, 58924, 73655, 88386, 147310, 176772, 220965, 294620, 338813, 441930, 677626, 883860, 1016439, 1355252, 1694065, 2032878, 3388130, 4065756, 5082195, 6776260, 10164390, 20328780]

約数ペア:

[(1, 20328780), (2, 10164390), (3, 6776260), (4, 5082195), (5, 4065756), (6, 3388130), (10, 2032878), (12, 1694065), (15, 1355252), (20, 1016439), (23, 883860), (30, 677626), (46, 441930), (60, 338813), (69, 294620), (92, 220965), (115, 176772), (138, 147310), (230, 88386), (276, 73655), (345, 58924), (460, 44193), (690, 29462), (1380, 14731)]