20124666

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27049734

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 71, 87, 142, 174, 181, 213, 261, 362, 426, 522, 543, 639, 783, 1086, 1278, 1566, 1629, 1917, 2059, 3258, 3834, 4118, 4887, 5249, 6177, 9774, 10498, 12354, 12851, 15747, 18531, 25702, 31494, 37062, 38553, 47241, 55593, 77106, 94482, 111186, 115659, 141723, 231318, 283446, 346977, 372679, 693954, 745358, 1118037, 2236074, 3354111, 6708222, 10062333, 20124666]

約数ペア:

[(1, 20124666), (2, 10062333), (3, 6708222), (6, 3354111), (9, 2236074), (18, 1118037), (27, 745358), (29, 693954), (54, 372679), (58, 346977), (71, 283446), (87, 231318), (142, 141723), (174, 115659), (181, 111186), (213, 94482), (261, 77106), (362, 55593), (426, 47241), (522, 38553), (543, 37062), (639, 31494), (783, 25702), (1086, 18531), (1278, 15747), (1566, 12851), (1629, 12354), (1917, 10498), (2059, 9774), (3258, 6177), (3834, 5249), (4118, 4887)]