20812116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 32107884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 1499, 2314, 2998, 3471, 4497, 4628, 5996, 6942, 8994, 13884, 17988, 19487, 38974, 58461, 77948, 116922, 133411, 233844, 266822, 400233, 533644, 800466, 1600932, 1734343, 3468686, 5203029, 6937372, 10406058, 20812116]

約数ペア:

[(1, 20812116), (2, 10406058), (3, 6937372), (4, 5203029), (6, 3468686), (12, 1734343), (13, 1600932), (26, 800466), (39, 533644), (52, 400233), (78, 266822), (89, 233844), (156, 133411), (178, 116922), (267, 77948), (356, 58461), (534, 38974), (1068, 19487), (1157, 17988), (1499, 13884), (2314, 8994), (2998, 6942), (3471, 5996), (4497, 4628)]