20002378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 14188982

約数列:

[1, 2, 11, 22, 31, 62, 139, 211, 278, 341, 422, 682, 1529, 2321, 3058, 4309, 4642, 6541, 8618, 13082, 29329, 47399, 58658, 71951, 94798, 143902, 322619, 645238, 909199, 1818398, 10001189, 20002378]

約数ペア:

[(1, 20002378), (2, 10001189), (11, 1818398), (22, 909199), (31, 645238), (62, 322619), (139, 143902), (211, 94798), (278, 71951), (341, 58658), (422, 47399), (682, 29329), (1529, 13082), (2321, 8618), (3058, 6541), (4309, 4642)]