20197945088

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{3037}}^1$

素因数の和:3449

約数の個数: 72

約数和(自身を含む): 40946577168

約数和(自身を除く): 20748632080

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 313, 332, 626, 664, 1252, 1328, 2504, 2656, 3037, 5008, 5312, 6074, 10016, 10624, 12148, 20032, 21248, 24296, 25979, 40064, 48592, 51958, 80128, 97184, 103916, 194368, 207832, 252071, 388736, 415664, 504142, 777472, 831328, 950581, 1008284, 1662656, 1901162, 2016568, 3325312, 3802324, 4033136, 6650624, 7604648, 8066272, 15209296, 16132544, 30418592, 32265088, 60837184, 64530176, 78898223, 121674368, 157796446, 243348736, 315592892, 631185784, 1262371568, 2524743136, 5049486272, 10098972544, 20197945088]

約数ペア:

[(1, 20197945088), (2, 10098972544), (4, 5049486272), (8, 2524743136), (16, 1262371568), (32, 631185784), (64, 315592892), (83, 243348736), (128, 157796446), (166, 121674368), (256, 78898223), (313, 64530176), (332, 60837184), (626, 32265088), (664, 30418592), (1252, 16132544), (1328, 15209296), (2504, 8066272), (2656, 7604648), (3037, 6650624), (5008, 4033136), (5312, 3802324), (6074, 3325312), (10016, 2016568), (10624, 1901162), (12148, 1662656), (20032, 1008284), (21248, 950581), (24296, 831328), (25979, 777472), (40064, 504142), (48592, 415664), (51958, 388736), (80128, 252071), (97184, 207832), (103916, 194368)]