20290861430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{15661}}^1$

素因数の和:15981

約数の個数: 64

約数和(自身を含む): 42436251648

約数和(自身を除く): 22145390218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 223, 415, 446, 581, 830, 1115, 1162, 1561, 2230, 2905, 3122, 5810, 7805, 15610, 15661, 18509, 31322, 37018, 78305, 92545, 109627, 129563, 156610, 185090, 219254, 259126, 548135, 647815, 1096270, 1295630, 1299863, 2599726, 3492403, 6499315, 6984806, 9099041, 12998630, 17462015, 18198082, 24446821, 34924030, 45495205, 48893642, 90990410, 122234105, 244468210, 289869449, 579738898, 1449347245, 2029086143, 2898694490, 4058172286, 10145430715, 20290861430]

約数ペア:

[(1, 20290861430), (2, 10145430715), (5, 4058172286), (7, 2898694490), (10, 2029086143), (14, 1449347245), (35, 579738898), (70, 289869449), (83, 244468210), (166, 122234105), (223, 90990410), (415, 48893642), (446, 45495205), (581, 34924030), (830, 24446821), (1115, 18198082), (1162, 17462015), (1561, 12998630), (2230, 9099041), (2905, 6984806), (3122, 6499315), (5810, 3492403), (7805, 2599726), (15610, 1299863), (15661, 1295630), (18509, 1096270), (31322, 647815), (37018, 548135), (78305, 259126), (92545, 219254), (109627, 185090), (129563, 156610)]