20128212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 56183400

約数和(自身を除く): 36055188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1049, 1066, 1476, 1599, 2098, 2132, 3147, 3198, 4196, 4797, 6294, 6396, 9441, 9594, 12588, 13637, 18882, 19188, 27274, 37764, 40911, 43009, 54548, 81822, 86018, 122733, 129027, 163644, 172036, 245466, 258054, 387081, 490932, 516108, 559117, 774162, 1118234, 1548324, 1677351, 2236468, 3354702, 5032053, 6709404, 10064106, 20128212]

約数ペア:

[(1, 20128212), (2, 10064106), (3, 6709404), (4, 5032053), (6, 3354702), (9, 2236468), (12, 1677351), (13, 1548324), (18, 1118234), (26, 774162), (36, 559117), (39, 516108), (41, 490932), (52, 387081), (78, 258054), (82, 245466), (117, 172036), (123, 163644), (156, 129027), (164, 122733), (234, 86018), (246, 81822), (369, 54548), (468, 43009), (492, 40911), (533, 37764), (738, 27274), (1049, 19188), (1066, 18882), (1476, 13637), (1599, 12588), (2098, 9594), (2132, 9441), (3147, 6396), (3198, 6294), (4196, 4797)]