20681103750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{149053}}^1$

素因数の和:149115

約数の個数: 80

約数和(自身を含む): 53083495344

約数和(自身を除く): 32402391594

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 125, 150, 185, 222, 250, 370, 375, 555, 625, 750, 925, 1110, 1250, 1850, 1875, 2775, 3750, 4625, 5550, 9250, 13875, 23125, 27750, 46250, 69375, 138750, 149053, 298106, 447159, 745265, 894318, 1490530, 2235795, 3726325, 4471590, 5514961, 7452650, 11029922, 11178975, 16544883, 18631625, 22357950, 27574805, 33089766, 37263250, 55149610, 55894875, 82724415, 93158125, 111789750, 137874025, 165448830, 186316250, 275748050, 279474375, 413622075, 558948750, 689370125, 827244150, 1378740250, 2068110375, 3446850625, 4136220750, 6893701250, 10340551875, 20681103750]

約数ペア:

[(1, 20681103750), (2, 10340551875), (3, 6893701250), (5, 4136220750), (6, 3446850625), (10, 2068110375), (15, 1378740250), (25, 827244150), (30, 689370125), (37, 558948750), (50, 413622075), (74, 279474375), (75, 275748050), (111, 186316250), (125, 165448830), (150, 137874025), (185, 111789750), (222, 93158125), (250, 82724415), (370, 55894875), (375, 55149610), (555, 37263250), (625, 33089766), (750, 27574805), (925, 22357950), (1110, 18631625), (1250, 16544883), (1850, 11178975), (1875, 11029922), (2775, 7452650), (3750, 5514961), (4625, 4471590), (5550, 3726325), (9250, 2235795), (13875, 1490530), (23125, 894318), (27750, 745265), (46250, 447159), (69375, 298106), (138750, 149053)]