20434830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 53319168

約数和(自身を除く): 32884338

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 151, 195, 302, 347, 390, 453, 694, 755, 906, 1041, 1510, 1735, 1963, 2082, 2265, 3470, 3926, 4511, 4530, 5205, 5889, 9022, 9815, 10410, 11778, 13533, 19630, 22555, 27066, 29445, 45110, 52397, 58890, 67665, 104794, 135330, 157191, 261985, 314382, 523970, 681161, 785955, 1362322, 1571910, 2043483, 3405805, 4086966, 6811610, 10217415, 20434830]

約数ペア:

[(1, 20434830), (2, 10217415), (3, 6811610), (5, 4086966), (6, 3405805), (10, 2043483), (13, 1571910), (15, 1362322), (26, 785955), (30, 681161), (39, 523970), (65, 314382), (78, 261985), (130, 157191), (151, 135330), (195, 104794), (302, 67665), (347, 58890), (390, 52397), (453, 45110), (694, 29445), (755, 27066), (906, 22555), (1041, 19630), (1510, 13533), (1735, 11778), (1963, 10410), (2082, 9815), (2265, 9022), (3470, 5889), (3926, 5205), (4511, 4530)]