20215701632

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317777}}^1$

素因数の和:317869

約数の個数: 64

約数和(自身を含む): 46675232640

約数和(自身を除く): 26459531008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2272, 3976, 4544, 7952, 9088, 15904, 31808, 63616, 317777, 635554, 1271108, 2224439, 2542216, 4448878, 5084432, 8897756, 10168864, 17795512, 20337728, 22562167, 35591024, 40675456, 45124334, 71182048, 90248668, 142364096, 157935169, 180497336, 284728192, 315870338, 360994672, 631740676, 721989344, 1263481352, 1443978688, 2526962704, 2887957376, 5053925408, 10107850816, 20215701632]

約数ペア:

[(1, 20215701632), (2, 10107850816), (4, 5053925408), (7, 2887957376), (8, 2526962704), (14, 1443978688), (16, 1263481352), (28, 721989344), (32, 631740676), (56, 360994672), (64, 315870338), (71, 284728192), (112, 180497336), (128, 157935169), (142, 142364096), (224, 90248668), (284, 71182048), (448, 45124334), (497, 40675456), (568, 35591024), (896, 22562167), (994, 20337728), (1136, 17795512), (1988, 10168864), (2272, 8897756), (3976, 5084432), (4544, 4448878), (7952, 2542216), (9088, 2224439), (15904, 1271108), (31808, 635554), (63616, 317777)]