20298345440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7462627}}^1$

素因数の和:7462659

約数の個数: 48

約数和(自身を含む): 50775720912

約数和(自身を除く): 30477375472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7462627, 14925254, 29850508, 37313135, 59701016, 74626270, 119402032, 126864659, 149252540, 238804064, 253729318, 298505080, 507458636, 597010160, 634323295, 1014917272, 1194020320, 1268646590, 2029834544, 2537293180, 4059669088, 5074586360, 10149172720, 20298345440]

約数ペア:

[(1, 20298345440), (2, 10149172720), (4, 5074586360), (5, 4059669088), (8, 2537293180), (10, 2029834544), (16, 1268646590), (17, 1194020320), (20, 1014917272), (32, 634323295), (34, 597010160), (40, 507458636), (68, 298505080), (80, 253729318), (85, 238804064), (136, 149252540), (160, 126864659), (170, 119402032), (272, 74626270), (340, 59701016), (544, 37313135), (680, 29850508), (1360, 14925254), (2720, 7462627)]