20707821660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4860991}}^1$

素因数の和:4861074

約数の個数: 48

約数和(自身を含む): 58798559232

約数和(自身を除く): 38090737572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4860991, 9721982, 14582973, 19443964, 24304955, 29165946, 48609910, 58331892, 72914865, 97219820, 145829730, 291659460, 345130361, 690260722, 1035391083, 1380521444, 1725651805, 2070782166, 3451303610, 4141564332, 5176955415, 6902607220, 10353910830, 20707821660]

約数ペア:

[(1, 20707821660), (2, 10353910830), (3, 6902607220), (4, 5176955415), (5, 4141564332), (6, 3451303610), (10, 2070782166), (12, 1725651805), (15, 1380521444), (20, 1035391083), (30, 690260722), (60, 345130361), (71, 291659460), (142, 145829730), (213, 97219820), (284, 72914865), (355, 58331892), (426, 48609910), (710, 29165946), (852, 24304955), (1065, 19443964), (1420, 14582973), (2130, 9721982), (4260, 4860991)]