20251036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 40768000

約数和(自身を除く): 20516964

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 199, 206, 247, 398, 412, 494, 796, 988, 1339, 1957, 2587, 2678, 3781, 3914, 5174, 5356, 7562, 7828, 10348, 15124, 20497, 25441, 40994, 49153, 50882, 81988, 98306, 101764, 196612, 266461, 389443, 532922, 778886, 1065844, 1557772, 5062759, 10125518, 20251036]

約数ペア:

[(1, 20251036), (2, 10125518), (4, 5062759), (13, 1557772), (19, 1065844), (26, 778886), (38, 532922), (52, 389443), (76, 266461), (103, 196612), (199, 101764), (206, 98306), (247, 81988), (398, 50882), (412, 49153), (494, 40994), (796, 25441), (988, 20497), (1339, 15124), (1957, 10348), (2587, 7828), (2678, 7562), (3781, 5356), (3914, 5174)]