20138264580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{209381}}^1$

素因数の和:209629

約数の個数: 96

約数和(自身を含む): 64724163840

約数和(自身を除く): 44585899260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 229, 420, 458, 687, 916, 1145, 1374, 1603, 2290, 2748, 3206, 3435, 4580, 4809, 6412, 6870, 8015, 9618, 13740, 16030, 19236, 24045, 32060, 48090, 96180, 209381, 418762, 628143, 837524, 1046905, 1256286, 1465667, 2093810, 2512572, 2931334, 3140715, 4187620, 4397001, 5862668, 6281430, 7328335, 8794002, 12562860, 14656670, 17588004, 21985005, 29313340, 43970010, 47948249, 87940020, 95896498, 143844747, 191792996, 239741245, 287689494, 335637743, 479482490, 575378988, 671275486, 719223735, 958964980, 1006913229, 1342550972, 1438447470, 1678188715, 2013826458, 2876894940, 3356377430, 4027652916, 5034566145, 6712754860, 10069132290, 20138264580]

約数ペア:

[(1, 20138264580), (2, 10069132290), (3, 6712754860), (4, 5034566145), (5, 4027652916), (6, 3356377430), (7, 2876894940), (10, 2013826458), (12, 1678188715), (14, 1438447470), (15, 1342550972), (20, 1006913229), (21, 958964980), (28, 719223735), (30, 671275486), (35, 575378988), (42, 479482490), (60, 335637743), (70, 287689494), (84, 239741245), (105, 191792996), (140, 143844747), (210, 95896498), (229, 87940020), (420, 47948249), (458, 43970010), (687, 29313340), (916, 21985005), (1145, 17588004), (1374, 14656670), (1603, 12562860), (2290, 8794002), (2748, 7328335), (3206, 6281430), (3435, 5862668), (4580, 4397001), (4809, 4187620), (6412, 3140715), (6870, 2931334), (8015, 2512572), (9618, 2093810), (13740, 1465667), (16030, 1256286), (19236, 1046905), (24045, 837524), (32060, 628143), (48090, 418762), (96180, 209381)]