20869524

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2347}}^1$

素因数の和:2389

約数の個数: 72

約数和(自身を含む): 59827040

約数和(自身を除く): 38957516

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2347, 2964, 4446, 4694, 7041, 8892, 9388, 14082, 21123, 28164, 30511, 42246, 44593, 61022, 84492, 89186, 91533, 122044, 133779, 178372, 183066, 267558, 274599, 366132, 401337, 535116, 549198, 579709, 802674, 1098396, 1159418, 1605348, 1739127, 2318836, 3478254, 5217381, 6956508, 10434762, 20869524]

約数ペア:

[(1, 20869524), (2, 10434762), (3, 6956508), (4, 5217381), (6, 3478254), (9, 2318836), (12, 1739127), (13, 1605348), (18, 1159418), (19, 1098396), (26, 802674), (36, 579709), (38, 549198), (39, 535116), (52, 401337), (57, 366132), (76, 274599), (78, 267558), (114, 183066), (117, 178372), (156, 133779), (171, 122044), (228, 91533), (234, 89186), (247, 84492), (342, 61022), (468, 44593), (494, 42246), (684, 30511), (741, 28164), (988, 21123), (1482, 14082), (2223, 9388), (2347, 8892), (2964, 7041), (4446, 4694)]