20178698930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9130633}}^1$

素因数の和:9130670

約数の個数: 32

約数和(自身を含む): 41416555824

約数和(自身を除く): 21237856894

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9130633, 18261266, 45653165, 91306330, 118698229, 155220761, 237396458, 310441522, 593491145, 776103805, 1186982290, 1552207610, 2017869893, 4035739786, 10089349465, 20178698930]

約数ペア:

[(1, 20178698930), (2, 10089349465), (5, 4035739786), (10, 2017869893), (13, 1552207610), (17, 1186982290), (26, 776103805), (34, 593491145), (65, 310441522), (85, 237396458), (130, 155220761), (170, 118698229), (221, 91306330), (442, 45653165), (1105, 18261266), (2210, 9130633)]