20320326

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2347}}^1$

素因数の和:2405

約数の個数: 48

約数和(自身を含む): 48716304

約数和(自身を除く): 28395978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2347, 2886, 4329, 4694, 7041, 8658, 14082, 21123, 30511, 42246, 61022, 86839, 91533, 173678, 183066, 260517, 274599, 521034, 549198, 781551, 1128907, 1563102, 2257814, 3386721, 6773442, 10160163, 20320326]

約数ペア:

[(1, 20320326), (2, 10160163), (3, 6773442), (6, 3386721), (9, 2257814), (13, 1563102), (18, 1128907), (26, 781551), (37, 549198), (39, 521034), (74, 274599), (78, 260517), (111, 183066), (117, 173678), (222, 91533), (234, 86839), (333, 61022), (481, 42246), (666, 30511), (962, 21123), (1443, 14082), (2347, 8658), (2886, 7041), (4329, 4694)]