20832100040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2287}}^1\times {\mathrm{9901}}^1$

素因数の和:12222

約数の個数: 64

約数和(自身を含む): 48936476160

約数和(自身を除く): 28104376120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2287, 4574, 9148, 9901, 11435, 18296, 19802, 22870, 39604, 45740, 49505, 52601, 79208, 91480, 99010, 105202, 198020, 210404, 227723, 263005, 396040, 420808, 455446, 526010, 910892, 1052020, 1138615, 1821784, 2104040, 2277230, 4554460, 9108920, 22643587, 45287174, 90574348, 113217935, 181148696, 226435870, 452871740, 520802501, 905743480, 1041605002, 2083210004, 2604012505, 4166420008, 5208025010, 10416050020, 20832100040]

約数ペア:

[(1, 20832100040), (2, 10416050020), (4, 5208025010), (5, 4166420008), (8, 2604012505), (10, 2083210004), (20, 1041605002), (23, 905743480), (40, 520802501), (46, 452871740), (92, 226435870), (115, 181148696), (184, 113217935), (230, 90574348), (460, 45287174), (920, 22643587), (2287, 9108920), (4574, 4554460), (9148, 2277230), (9901, 2104040), (11435, 1821784), (18296, 1138615), (19802, 1052020), (22870, 910892), (39604, 526010), (45740, 455446), (49505, 420808), (52601, 396040), (79208, 263005), (91480, 227723), (99010, 210404), (105202, 198020)]