20668437440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{126397}}^1$

素因数の和:126494

約数の個数: 112

約数和(自身を含む): 57018643392

約数和(自身を除く): 36350205952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 730, 1022, 1120, 1168, 1460, 2044, 2240, 2336, 2555, 2920, 4088, 4672, 5110, 5840, 8176, 10220, 11680, 16352, 20440, 23360, 32704, 40880, 81760, 126397, 163520, 252794, 505588, 631985, 884779, 1011176, 1263970, 1769558, 2022352, 2527940, 3539116, 4044704, 4423895, 5055880, 7078232, 8089408, 8847790, 9226981, 10111760, 14156464, 17695580, 18453962, 20223520, 28312928, 35391160, 36907924, 40447040, 46134905, 56625856, 64588867, 70782320, 73815848, 92269810, 129177734, 141564640, 147631696, 184539620, 258355468, 283129280, 295263392, 322944335, 369079240, 516710936, 590526784, 645888670, 738158480, 1033421872, 1291777340, 1476316960, 2066843744, 2583554680, 2952633920, 4133687488, 5167109360, 10334218720, 20668437440]

約数ペア:

[(1, 20668437440), (2, 10334218720), (4, 5167109360), (5, 4133687488), (7, 2952633920), (8, 2583554680), (10, 2066843744), (14, 1476316960), (16, 1291777340), (20, 1033421872), (28, 738158480), (32, 645888670), (35, 590526784), (40, 516710936), (56, 369079240), (64, 322944335), (70, 295263392), (73, 283129280), (80, 258355468), (112, 184539620), (140, 147631696), (146, 141564640), (160, 129177734), (224, 92269810), (280, 73815848), (292, 70782320), (320, 64588867), (365, 56625856), (448, 46134905), (511, 40447040), (560, 36907924), (584, 35391160), (730, 28312928), (1022, 20223520), (1120, 18453962), (1168, 17695580), (1460, 14156464), (2044, 10111760), (2240, 9226981), (2336, 8847790), (2555, 8089408), (2920, 7078232), (4088, 5055880), (4672, 4423895), (5110, 4044704), (5840, 3539116), (8176, 2527940), (10220, 2022352), (11680, 1769558), (16352, 1263970), (20440, 1011176), (23360, 884779), (32704, 631985), (40880, 505588), (81760, 252794), (126397, 163520)]