20020580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 44561664

約数和(自身を除く): 24541084

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 613, 710, 1226, 1420, 1633, 2452, 3065, 3266, 6130, 6532, 8165, 12260, 14099, 16330, 28198, 32660, 43523, 56396, 70495, 87046, 140990, 174092, 217615, 281980, 435230, 870460, 1001029, 2002058, 4004116, 5005145, 10010290, 20020580]

約数ペア:

[(1, 20020580), (2, 10010290), (4, 5005145), (5, 4004116), (10, 2002058), (20, 1001029), (23, 870460), (46, 435230), (71, 281980), (92, 217615), (115, 174092), (142, 140990), (230, 87046), (284, 70495), (355, 56396), (460, 43523), (613, 32660), (710, 28198), (1226, 16330), (1420, 14099), (1633, 12260), (2452, 8165), (3065, 6532), (3266, 6130)]