20120855430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{726647}}^1$

素因数の和:726741

約数の個数: 64

約数和(自身を含む): 52737205248

約数和(自身を除く): 32616349818

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 923, 1065, 1846, 2130, 2769, 4615, 5538, 9230, 13845, 27690, 726647, 1453294, 2179941, 3633235, 4359882, 7266470, 9446411, 10899705, 18892822, 21799410, 28339233, 47232055, 51591937, 56678466, 94464110, 103183874, 141696165, 154775811, 257959685, 283392330, 309551622, 515919370, 670695181, 773879055, 1341390362, 1547758110, 2012085543, 3353475905, 4024171086, 6706951810, 10060427715, 20120855430]

約数ペア:

[(1, 20120855430), (2, 10060427715), (3, 6706951810), (5, 4024171086), (6, 3353475905), (10, 2012085543), (13, 1547758110), (15, 1341390362), (26, 773879055), (30, 670695181), (39, 515919370), (65, 309551622), (71, 283392330), (78, 257959685), (130, 154775811), (142, 141696165), (195, 103183874), (213, 94464110), (355, 56678466), (390, 51591937), (426, 47232055), (710, 28339233), (923, 21799410), (1065, 18892822), (1846, 10899705), (2130, 9446411), (2769, 7266470), (4615, 4359882), (5538, 3633235), (9230, 2179941), (13845, 1453294), (27690, 726647)]