20120792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{751}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 40201920

約数和(自身を除く): 20081128

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 751, 788, 1502, 1576, 3004, 3349, 6008, 6698, 12767, 13396, 25534, 26792, 51068, 102136, 147947, 295894, 591788, 1183576, 2515099, 5030198, 10060396, 20120792]

約数ペア:

[(1, 20120792), (2, 10060396), (4, 5030198), (8, 2515099), (17, 1183576), (34, 591788), (68, 295894), (136, 147947), (197, 102136), (394, 51068), (751, 26792), (788, 25534), (1502, 13396), (1576, 12767), (3004, 6698), (3349, 6008)]