20086644968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{709}}^1\times {\mathrm{823}}^1$

素因数の和:1882

約数の個数: 64

約数和(自身を含む): 40788988800

約数和(自身を除く): 20702343832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 331, 662, 709, 823, 1324, 1418, 1646, 2648, 2836, 3292, 4303, 5672, 6584, 8606, 9217, 10699, 17212, 18434, 21398, 34424, 36868, 42796, 73736, 85592, 234679, 272413, 469358, 544826, 583507, 938716, 1089652, 1167014, 1877432, 2179304, 2334028, 3050827, 3541369, 4668056, 6101654, 7082738, 7585591, 12203308, 14165476, 15171182, 24406616, 28330952, 30342364, 60684728, 193140817, 386281634, 772563268, 1545126536, 2510830621, 5021661242, 10043322484, 20086644968]

約数ペア:

[(1, 20086644968), (2, 10043322484), (4, 5021661242), (8, 2510830621), (13, 1545126536), (26, 772563268), (52, 386281634), (104, 193140817), (331, 60684728), (662, 30342364), (709, 28330952), (823, 24406616), (1324, 15171182), (1418, 14165476), (1646, 12203308), (2648, 7585591), (2836, 7082738), (3292, 6101654), (4303, 4668056), (5672, 3541369), (6584, 3050827), (8606, 2334028), (9217, 2179304), (10699, 1877432), (17212, 1167014), (18434, 1089652), (21398, 938716), (34424, 583507), (36868, 544826), (42796, 469358), (73736, 272413), (85592, 234679)]