20682725824

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{131959}}^1$

素因数の和:132081

約数の個数: 56

約数和(自身を含む): 42902835200

約数和(自身を除く): 22220109376

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 158, 248, 316, 496, 632, 992, 1264, 1984, 2449, 2528, 4898, 5056, 9796, 19592, 39184, 78368, 131959, 156736, 263918, 527836, 1055672, 2111344, 4090729, 4222688, 8181458, 8445376, 10424761, 16362916, 20849522, 32725832, 41699044, 65451664, 83398088, 130903328, 166796176, 261806656, 323167591, 333592352, 646335182, 667184704, 1292670364, 2585340728, 5170681456, 10341362912, 20682725824]

約数ペア:

[(1, 20682725824), (2, 10341362912), (4, 5170681456), (8, 2585340728), (16, 1292670364), (31, 667184704), (32, 646335182), (62, 333592352), (64, 323167591), (79, 261806656), (124, 166796176), (158, 130903328), (248, 83398088), (316, 65451664), (496, 41699044), (632, 32725832), (992, 20849522), (1264, 16362916), (1984, 10424761), (2449, 8445376), (2528, 8181458), (4898, 4222688), (5056, 4090729), (9796, 2111344), (19592, 1055672), (39184, 527836), (78368, 263918), (131959, 156736)]