20711844

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 55048448

約数和(自身を除く): 34336604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 67, 93, 124, 134, 186, 201, 268, 277, 279, 372, 402, 554, 558, 603, 804, 831, 1108, 1116, 1206, 1662, 2077, 2412, 2493, 3324, 4154, 4986, 6231, 8308, 8587, 9972, 12462, 17174, 18559, 18693, 24924, 25761, 34348, 37118, 37386, 51522, 55677, 74236, 74772, 77283, 103044, 111354, 154566, 167031, 222708, 309132, 334062, 575329, 668124, 1150658, 1725987, 2301316, 3451974, 5177961, 6903948, 10355922, 20711844]

約数ペア:

[(1, 20711844), (2, 10355922), (3, 6903948), (4, 5177961), (6, 3451974), (9, 2301316), (12, 1725987), (18, 1150658), (31, 668124), (36, 575329), (62, 334062), (67, 309132), (93, 222708), (124, 167031), (134, 154566), (186, 111354), (201, 103044), (268, 77283), (277, 74772), (279, 74236), (372, 55677), (402, 51522), (554, 37386), (558, 37118), (603, 34348), (804, 25761), (831, 24924), (1108, 18693), (1116, 18559), (1206, 17174), (1662, 12462), (2077, 9972), (2412, 8587), (2493, 8308), (3324, 6231), (4154, 4986)]