16896580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 36699264

約数和(自身を除く): 19802684

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 163, 284, 292, 326, 355, 365, 652, 710, 730, 815, 1420, 1460, 1630, 3260, 5183, 10366, 11573, 11899, 20732, 23146, 23798, 25915, 46292, 47596, 51830, 57865, 59495, 103660, 115730, 118990, 231460, 237980, 844829, 1689658, 3379316, 4224145, 8448290, 16896580]

約数ペア:

[(1, 16896580), (2, 8448290), (4, 4224145), (5, 3379316), (10, 1689658), (20, 844829), (71, 237980), (73, 231460), (142, 118990), (146, 115730), (163, 103660), (284, 59495), (292, 57865), (326, 51830), (355, 47596), (365, 46292), (652, 25915), (710, 23798), (730, 23146), (815, 20732), (1420, 11899), (1460, 11573), (1630, 10366), (3260, 5183)]