20900696

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 20156584

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 1187, 2201, 2374, 4402, 4748, 8804, 9496, 17608, 36797, 73594, 84277, 147188, 168554, 294376, 337108, 674216, 2612587, 5225174, 10450348, 20900696]

約数ペア:

[(1, 20900696), (2, 10450348), (4, 5225174), (8, 2612587), (31, 674216), (62, 337108), (71, 294376), (124, 168554), (142, 147188), (248, 84277), (284, 73594), (568, 36797), (1187, 17608), (2201, 9496), (2374, 8804), (4402, 4748)]