20123046

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 46872000

約数和(自身を除く): 26748954

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 61, 82, 122, 123, 149, 183, 246, 298, 366, 369, 447, 549, 738, 894, 1098, 1107, 1341, 1647, 2214, 2501, 2682, 3294, 4023, 5002, 6109, 7503, 8046, 9089, 12218, 15006, 18178, 18327, 22509, 27267, 36654, 45018, 54534, 54981, 67527, 81801, 109962, 135054, 163602, 164943, 245403, 329886, 372649, 490806, 745298, 1117947, 2235894, 3353841, 6707682, 10061523, 20123046]

約数ペア:

[(1, 20123046), (2, 10061523), (3, 6707682), (6, 3353841), (9, 2235894), (18, 1117947), (27, 745298), (41, 490806), (54, 372649), (61, 329886), (82, 245403), (122, 164943), (123, 163602), (149, 135054), (183, 109962), (246, 81801), (298, 67527), (366, 54981), (369, 54534), (447, 45018), (549, 36654), (738, 27267), (894, 22509), (1098, 18327), (1107, 18178), (1341, 15006), (1647, 12218), (2214, 9089), (2501, 8046), (2682, 7503), (3294, 6109), (4023, 5002)]