20839428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30467}}^1$

素因数の和:30496

約数の個数: 36

約数和(自身を含む): 55451760

約数和(自身を除く): 34612332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30467, 60934, 91401, 121868, 182802, 274203, 365604, 548406, 578873, 1096812, 1157746, 1736619, 2315492, 3473238, 5209857, 6946476, 10419714, 20839428]

約数ペア:

[(1, 20839428), (2, 10419714), (3, 6946476), (4, 5209857), (6, 3473238), (9, 2315492), (12, 1736619), (18, 1157746), (19, 1096812), (36, 578873), (38, 548406), (57, 365604), (76, 274203), (114, 182802), (171, 121868), (228, 91401), (342, 60934), (684, 30467)]