20830212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 57972096

約数和(自身を除く): 37141884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 947, 1222, 1692, 1833, 1894, 2444, 2841, 3666, 3788, 5499, 5682, 7332, 8523, 10998, 11364, 12311, 17046, 21996, 24622, 34092, 36933, 44509, 49244, 73866, 89018, 110799, 133527, 147732, 178036, 221598, 267054, 400581, 443196, 534108, 578617, 801162, 1157234, 1602324, 1735851, 2314468, 3471702, 5207553, 6943404, 10415106, 20830212]

約数ペア:

[(1, 20830212), (2, 10415106), (3, 6943404), (4, 5207553), (6, 3471702), (9, 2314468), (12, 1735851), (13, 1602324), (18, 1157234), (26, 801162), (36, 578617), (39, 534108), (47, 443196), (52, 400581), (78, 267054), (94, 221598), (117, 178036), (141, 147732), (156, 133527), (188, 110799), (234, 89018), (282, 73866), (423, 49244), (468, 44509), (564, 36933), (611, 34092), (846, 24622), (947, 21996), (1222, 17046), (1692, 12311), (1833, 11364), (1894, 10998), (2444, 8523), (2841, 7332), (3666, 5682), (3788, 5499)]