20194728190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3170287}}^1$

素因数の和:3170321

約数の個数: 48

約数和(自身を含む): 45538016832

約数和(自身を除く): 25343288642

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 3170287, 6340574, 15851435, 22192009, 31702870, 41213731, 44384018, 82427462, 110960045, 155344063, 206068655, 221920090, 288496117, 310688126, 412137310, 576992234, 776720315, 1442480585, 1553440630, 2019472819, 2884961170, 4038945638, 10097364095, 20194728190]

約数ペア:

[(1, 20194728190), (2, 10097364095), (5, 4038945638), (7, 2884961170), (10, 2019472819), (13, 1553440630), (14, 1442480585), (26, 776720315), (35, 576992234), (49, 412137310), (65, 310688126), (70, 288496117), (91, 221920090), (98, 206068655), (130, 155344063), (182, 110960045), (245, 82427462), (455, 44384018), (490, 41213731), (637, 31702870), (910, 22192009), (1274, 15851435), (3185, 6340574), (6370, 3170287)]