20123688012

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{80713}}^1$

素因数の和:81062

約数の個数: 48

約数和(自身を含む): 47731031040

約数和(自身を除く): 27607343028

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 263, 316, 474, 526, 789, 948, 1052, 1578, 3156, 20777, 41554, 62331, 80713, 83108, 124662, 161426, 242139, 249324, 322852, 484278, 968556, 6376327, 12752654, 19128981, 21227519, 25505308, 38257962, 42455038, 63682557, 76515924, 84910076, 127365114, 254730228, 1676974001, 3353948002, 5030922003, 6707896004, 10061844006, 20123688012]

約数ペア:

[(1, 20123688012), (2, 10061844006), (3, 6707896004), (4, 5030922003), (6, 3353948002), (12, 1676974001), (79, 254730228), (158, 127365114), (237, 84910076), (263, 76515924), (316, 63682557), (474, 42455038), (526, 38257962), (789, 25505308), (948, 21227519), (1052, 19128981), (1578, 12752654), (3156, 6376327), (20777, 968556), (41554, 484278), (62331, 322852), (80713, 249324), (83108, 242139), (124662, 161426)]