20280856764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{5407}}^1\times {\mathrm{6379}}^1$

素因数の和:11807

約数の個数: 72

約数和(自身を含む): 55066851840

約数和(自身を除く): 34785995076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 5407, 6379, 10814, 12758, 16221, 19137, 21628, 25516, 32442, 37849, 38274, 44653, 64884, 75698, 76548, 89306, 113547, 133959, 151396, 178612, 227094, 264943, 267918, 312571, 454188, 529886, 535836, 625142, 794829, 937713, 1059772, 1250284, 1589658, 1875426, 3179316, 3750852, 34491253, 68982506, 103473759, 137965012, 206947518, 241438771, 413895036, 482877542, 724316313, 965755084, 1448632626, 1690071397, 2897265252, 3380142794, 5070214191, 6760285588, 10140428382, 20280856764]

約数ペア:

[(1, 20280856764), (2, 10140428382), (3, 6760285588), (4, 5070214191), (6, 3380142794), (7, 2897265252), (12, 1690071397), (14, 1448632626), (21, 965755084), (28, 724316313), (42, 482877542), (49, 413895036), (84, 241438771), (98, 206947518), (147, 137965012), (196, 103473759), (294, 68982506), (588, 34491253), (5407, 3750852), (6379, 3179316), (10814, 1875426), (12758, 1589658), (16221, 1250284), (19137, 1059772), (21628, 937713), (25516, 794829), (32442, 625142), (37849, 535836), (38274, 529886), (44653, 454188), (64884, 312571), (75698, 267918), (76548, 264943), (89306, 227094), (113547, 178612), (133959, 151396)]