20330080

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2083}}^1$

素因数の和:2159

約数の個数: 48

約数和(自身を含む): 48840624

約数和(自身を除く): 28510544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2083, 2440, 4166, 4880, 8332, 9760, 10415, 16664, 20830, 33328, 41660, 66656, 83320, 127063, 166640, 254126, 333280, 508252, 635315, 1016504, 1270630, 2033008, 2541260, 4066016, 5082520, 10165040, 20330080]

約数ペア:

[(1, 20330080), (2, 10165040), (4, 5082520), (5, 4066016), (8, 2541260), (10, 2033008), (16, 1270630), (20, 1016504), (32, 635315), (40, 508252), (61, 333280), (80, 254126), (122, 166640), (160, 127063), (244, 83320), (305, 66656), (488, 41660), (610, 33328), (976, 20830), (1220, 16664), (1952, 10415), (2083, 9760), (2440, 8332), (4166, 4880)]