20044883663

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 25677250560

約数和(自身を除く): 5632366897

約数列:

[1, 7, 19, 23, 103, 113, 133, 161, 437, 563, 721, 791, 1957, 2147, 2369, 2599, 3059, 3941, 10697, 11639, 12949, 13699, 15029, 16583, 18193, 45011, 49381, 57989, 63619, 74879, 81473, 90643, 221141, 246031, 267697, 315077, 345667, 405923, 445333, 1101791, 1208761, 1333747, 1463237, 1547987, 1722217, 1873879, 5086243, 6552757, 7712537, 8461327, 9336229, 10242659, 25341193, 27801503, 35603701, 45869299, 124502383, 150713411, 177388351, 194610521, 871516681, 1054993877, 2863554809, 20044883663]

約数ペア:

[(1, 20044883663), (7, 2863554809), (19, 1054993877), (23, 871516681), (103, 194610521), (113, 177388351), (133, 150713411), (161, 124502383), (437, 45869299), (563, 35603701), (721, 27801503), (791, 25341193), (1957, 10242659), (2147, 9336229), (2369, 8461327), (2599, 7712537), (3059, 6552757), (3941, 5086243), (10697, 1873879), (11639, 1722217), (12949, 1547987), (13699, 1463237), (15029, 1333747), (16583, 1208761), (18193, 1101791), (45011, 445333), (49381, 405923), (57989, 345667), (63619, 315077), (74879, 267697), (81473, 246031), (90643, 221141)]