20743700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 28003180

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 46, 50, 58, 92, 100, 115, 116, 145, 230, 290, 311, 460, 575, 580, 622, 667, 725, 1150, 1244, 1334, 1450, 1555, 2300, 2668, 2900, 3110, 3335, 6220, 6670, 7153, 7775, 9019, 13340, 14306, 15550, 16675, 18038, 28612, 31100, 33350, 35765, 36076, 45095, 66700, 71530, 90190, 143060, 178825, 180380, 207437, 225475, 357650, 414874, 450950, 715300, 829748, 901900, 1037185, 2074370, 4148740, 5185925, 10371850, 20743700]

約数ペア:

[(1, 20743700), (2, 10371850), (4, 5185925), (5, 4148740), (10, 2074370), (20, 1037185), (23, 901900), (25, 829748), (29, 715300), (46, 450950), (50, 414874), (58, 357650), (92, 225475), (100, 207437), (115, 180380), (116, 178825), (145, 143060), (230, 90190), (290, 71530), (311, 66700), (460, 45095), (575, 36076), (580, 35765), (622, 33350), (667, 31100), (725, 28612), (1150, 18038), (1244, 16675), (1334, 15550), (1450, 14306), (1555, 13340), (2300, 9019), (2668, 7775), (2900, 7153), (3110, 6670), (3335, 6220)]