20403108

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 57177120

約数和(自身を除く): 36774012

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 67, 99, 132, 134, 198, 201, 268, 396, 402, 603, 737, 769, 804, 1206, 1474, 1538, 2211, 2307, 2412, 2948, 3076, 4422, 4614, 6633, 6921, 8459, 8844, 9228, 13266, 13842, 16918, 25377, 26532, 27684, 33836, 50754, 51523, 76131, 101508, 103046, 152262, 154569, 206092, 304524, 309138, 463707, 566753, 618276, 927414, 1133506, 1700259, 1854828, 2267012, 3400518, 5100777, 6801036, 10201554, 20403108]

約数ペア:

[(1, 20403108), (2, 10201554), (3, 6801036), (4, 5100777), (6, 3400518), (9, 2267012), (11, 1854828), (12, 1700259), (18, 1133506), (22, 927414), (33, 618276), (36, 566753), (44, 463707), (66, 309138), (67, 304524), (99, 206092), (132, 154569), (134, 152262), (198, 103046), (201, 101508), (268, 76131), (396, 51523), (402, 50754), (603, 33836), (737, 27684), (769, 26532), (804, 25377), (1206, 16918), (1474, 13842), (1538, 13266), (2211, 9228), (2307, 8844), (2412, 8459), (2948, 6921), (3076, 6633), (4422, 4614)]