20066280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:723

約数の個数: 128

約数和(自身を含む): 68342400

約数和(自身を除く): 48276120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 677, 741, 760, 780, 988, 1140, 1235, 1354, 1482, 1560, 1976, 2031, 2280, 2470, 2708, 2964, 3385, 3705, 4062, 4940, 5416, 5928, 6770, 7410, 8124, 8801, 9880, 10155, 12863, 13540, 14820, 16248, 17602, 20310, 25726, 26403, 27080, 29640, 35204, 38589, 40620, 44005, 51452, 52806, 64315, 70408, 77178, 81240, 88010, 102904, 105612, 128630, 132015, 154356, 167219, 176020, 192945, 211224, 257260, 264030, 308712, 334438, 352040, 385890, 501657, 514520, 528060, 668876, 771780, 836095, 1003314, 1056120, 1337752, 1543560, 1672190, 2006628, 2508285, 3344380, 4013256, 5016570, 6688760, 10033140, 20066280]

約数ペア:

[(1, 20066280), (2, 10033140), (3, 6688760), (4, 5016570), (5, 4013256), (6, 3344380), (8, 2508285), (10, 2006628), (12, 1672190), (13, 1543560), (15, 1337752), (19, 1056120), (20, 1003314), (24, 836095), (26, 771780), (30, 668876), (38, 528060), (39, 514520), (40, 501657), (52, 385890), (57, 352040), (60, 334438), (65, 308712), (76, 264030), (78, 257260), (95, 211224), (104, 192945), (114, 176020), (120, 167219), (130, 154356), (152, 132015), (156, 128630), (190, 105612), (195, 102904), (228, 88010), (247, 81240), (260, 77178), (285, 70408), (312, 64315), (380, 52806), (390, 51452), (456, 44005), (494, 40620), (520, 38589), (570, 35204), (677, 29640), (741, 27080), (760, 26403), (780, 25726), (988, 20310), (1140, 17602), (1235, 16248), (1354, 14820), (1482, 13540), (1560, 12863), (1976, 10155), (2031, 9880), (2280, 8801), (2470, 8124), (2708, 7410), (2964, 6770), (3385, 5928), (3705, 5416), (4062, 4940)]