20459808

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3774

約数の個数: 72

約数和(自身を含む): 61261200

約数和(自身を除く): 40801392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3739, 5472, 7478, 11217, 14956, 22434, 29912, 33651, 44868, 59824, 67302, 71041, 89736, 119648, 134604, 142082, 179472, 213123, 269208, 284164, 358944, 426246, 538416, 568328, 639369, 852492, 1076832, 1136656, 1278738, 1704984, 2273312, 2557476, 3409968, 5114952, 6819936, 10229904, 20459808]

約数ペア:

[(1, 20459808), (2, 10229904), (3, 6819936), (4, 5114952), (6, 3409968), (8, 2557476), (9, 2273312), (12, 1704984), (16, 1278738), (18, 1136656), (19, 1076832), (24, 852492), (32, 639369), (36, 568328), (38, 538416), (48, 426246), (57, 358944), (72, 284164), (76, 269208), (96, 213123), (114, 179472), (144, 142082), (152, 134604), (171, 119648), (228, 89736), (288, 71041), (304, 67302), (342, 59824), (456, 44868), (608, 33651), (684, 29912), (912, 22434), (1368, 14956), (1824, 11217), (2736, 7478), (3739, 5472)]