20454984

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{8609}}^1$

素因数の和:8635

約数の個数: 64

約数和(自身を含む): 61992000

約数和(自身を除く): 41537016

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 264, 297, 396, 594, 792, 1188, 2376, 8609, 17218, 25827, 34436, 51654, 68872, 77481, 94699, 103308, 154962, 189398, 206616, 232443, 284097, 309924, 378796, 464886, 568194, 619848, 757592, 852291, 929772, 1136388, 1704582, 1859544, 2272776, 2556873, 3409164, 5113746, 6818328, 10227492, 20454984]

約数ペア:

[(1, 20454984), (2, 10227492), (3, 6818328), (4, 5113746), (6, 3409164), (8, 2556873), (9, 2272776), (11, 1859544), (12, 1704582), (18, 1136388), (22, 929772), (24, 852291), (27, 757592), (33, 619848), (36, 568194), (44, 464886), (54, 378796), (66, 309924), (72, 284097), (88, 232443), (99, 206616), (108, 189398), (132, 154962), (198, 103308), (216, 94699), (264, 77481), (297, 68872), (396, 51654), (594, 34436), (792, 25827), (1188, 17218), (2376, 8609)]