20555730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17569}}^1$

素因数の和:17595

約数の個数: 48

約数和(自身を含む): 57559320

約数和(自身を除く): 37003590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17569, 35138, 52707, 87845, 105414, 158121, 175690, 228397, 263535, 316242, 456794, 527070, 685191, 790605, 1141985, 1370382, 1581210, 2055573, 2283970, 3425955, 4111146, 6851910, 10277865, 20555730]

約数ペア:

[(1, 20555730), (2, 10277865), (3, 6851910), (5, 4111146), (6, 3425955), (9, 2283970), (10, 2055573), (13, 1581210), (15, 1370382), (18, 1141985), (26, 790605), (30, 685191), (39, 527070), (45, 456794), (65, 316242), (78, 263535), (90, 228397), (117, 175690), (130, 158121), (195, 105414), (234, 87845), (390, 52707), (585, 35138), (1170, 17569)]