20199168760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{32573}}^1$

素因数の和:33040

約数の個数: 64

約数和(自身を含む): 46789293600

約数和(自身を除く): 26590124840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 419, 740, 838, 1480, 1676, 2095, 3352, 4190, 8380, 15503, 16760, 31006, 32573, 62012, 65146, 77515, 124024, 130292, 155030, 162865, 260584, 310060, 325730, 620120, 651460, 1205201, 1302920, 2410402, 4820804, 6026005, 9641608, 12052010, 13648087, 24104020, 27296174, 48208040, 54592348, 68240435, 109184696, 136480870, 272961740, 504979219, 545923480, 1009958438, 2019916876, 2524896095, 4039833752, 5049792190, 10099584380, 20199168760]

約数ペア:

[(1, 20199168760), (2, 10099584380), (4, 5049792190), (5, 4039833752), (8, 2524896095), (10, 2019916876), (20, 1009958438), (37, 545923480), (40, 504979219), (74, 272961740), (148, 136480870), (185, 109184696), (296, 68240435), (370, 54592348), (419, 48208040), (740, 27296174), (838, 24104020), (1480, 13648087), (1676, 12052010), (2095, 9641608), (3352, 6026005), (4190, 4820804), (8380, 2410402), (15503, 1302920), (16760, 1205201), (31006, 651460), (32573, 620120), (62012, 325730), (65146, 310060), (77515, 260584), (124024, 162865), (130292, 155030)]