20128536

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4583}}^1$

素因数の和:4656

約数の個数: 48

約数和(自身を含む): 55420560

約数和(自身を除く): 35292024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4583, 9166, 13749, 18332, 27498, 36664, 41247, 54996, 82494, 109992, 164988, 279563, 329976, 559126, 838689, 1118252, 1677378, 2236504, 2516067, 3354756, 5032134, 6709512, 10064268, 20128536]

約数ペア:

[(1, 20128536), (2, 10064268), (3, 6709512), (4, 5032134), (6, 3354756), (8, 2516067), (9, 2236504), (12, 1677378), (18, 1118252), (24, 838689), (36, 559126), (61, 329976), (72, 279563), (122, 164988), (183, 109992), (244, 82494), (366, 54996), (488, 41247), (549, 36664), (732, 27498), (1098, 18332), (1464, 13749), (2196, 9166), (4392, 4583)]