20925824804560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1058999231}}^1$

素因数の和:1058999276

約数の個数: 80

約数和(自身を含む): 55152680002560

約数和(自身を除く): 34226855198000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 1058999231, 2117998462, 4235996924, 5294996155, 8471993848, 10589992310, 13766990003, 16943987696, 20120985389, 21179984620, 27533980006, 40241970778, 42359969240, 55067960012, 68834950015, 80483941556, 84719938480, 100604926945, 110135920024, 137669900030, 160967883112, 201209853890, 220271840048, 261572810057, 275339800060, 321935766224, 402419707780, 523145620114, 550679600120, 804839415560, 1046291240228, 1101359200240, 1307864050285, 1609678831120, 2092582480456, 2615728100570, 4185164960912, 5231456201140, 10462912402280, 20925824804560]

約数ペア:

[(1, 20925824804560), (2, 10462912402280), (4, 5231456201140), (5, 4185164960912), (8, 2615728100570), (10, 2092582480456), (13, 1609678831120), (16, 1307864050285), (19, 1101359200240), (20, 1046291240228), (26, 804839415560), (38, 550679600120), (40, 523145620114), (52, 402419707780), (65, 321935766224), (76, 275339800060), (80, 261572810057), (95, 220271840048), (104, 201209853890), (130, 160967883112), (152, 137669900030), (190, 110135920024), (208, 100604926945), (247, 84719938480), (260, 80483941556), (304, 68834950015), (380, 55067960012), (494, 42359969240), (520, 40241970778), (760, 27533980006), (988, 21179984620), (1040, 20120985389), (1235, 16943987696), (1520, 13766990003), (1976, 10589992310), (2470, 8471993848), (3952, 5294996155), (4940, 4235996924), (9880, 2117998462), (19760, 1058999231)]