20271160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5569}}^1$

素因数の和:5600

約数の個数: 64

約数和(自身を含む): 56145600

約数和(自身を除く): 35874440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5569, 11138, 22276, 27845, 38983, 44552, 55690, 72397, 77966, 111380, 144794, 155932, 194915, 222760, 289588, 311864, 361985, 389830, 506779, 579176, 723970, 779660, 1013558, 1447940, 1559320, 2027116, 2533895, 2895880, 4054232, 5067790, 10135580, 20271160]

約数ペア:

[(1, 20271160), (2, 10135580), (4, 5067790), (5, 4054232), (7, 2895880), (8, 2533895), (10, 2027116), (13, 1559320), (14, 1447940), (20, 1013558), (26, 779660), (28, 723970), (35, 579176), (40, 506779), (52, 389830), (56, 361985), (65, 311864), (70, 289588), (91, 222760), (104, 194915), (130, 155932), (140, 144794), (182, 111380), (260, 77966), (280, 72397), (364, 55690), (455, 44552), (520, 38983), (728, 27845), (910, 22276), (1820, 11138), (3640, 5569)]