20305469488

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 40379397696

約数和(自身を除く): 20073928208

約数列:

[1, 2, 4, 8, 16, 71, 142, 173, 277, 284, 346, 373, 554, 568, 692, 746, 1108, 1136, 1384, 1492, 2216, 2768, 2984, 4432, 5968, 12283, 19667, 24566, 26483, 39334, 47921, 49132, 52966, 64529, 78668, 95842, 98264, 103321, 105932, 129058, 157336, 191684, 196528, 206642, 211864, 258116, 314672, 383368, 413284, 423728, 516232, 766736, 826568, 1032464, 1653136, 3402391, 4581559, 6804782, 7335791, 9163118, 13609564, 14671582, 17874533, 18326236, 27219128, 29343164, 35749066, 36652472, 54438256, 58686328, 71498132, 73304944, 117372656, 142996264, 285992528, 1269091843, 2538183686, 5076367372, 10152734744, 20305469488]

約数ペア:

[(1, 20305469488), (2, 10152734744), (4, 5076367372), (8, 2538183686), (16, 1269091843), (71, 285992528), (142, 142996264), (173, 117372656), (277, 73304944), (284, 71498132), (346, 58686328), (373, 54438256), (554, 36652472), (568, 35749066), (692, 29343164), (746, 27219128), (1108, 18326236), (1136, 17874533), (1384, 14671582), (1492, 13609564), (2216, 9163118), (2768, 7335791), (2984, 6804782), (4432, 4581559), (5968, 3402391), (12283, 1653136), (19667, 1032464), (24566, 826568), (26483, 766736), (39334, 516232), (47921, 423728), (49132, 413284), (52966, 383368), (64529, 314672), (78668, 258116), (95842, 211864), (98264, 206642), (103321, 196528), (105932, 191684), (129058, 157336)]