20508733460

素因数分解:

$2^2\times 5^1\times {\mathrm{15287}}^1\times {\mathrm{67079}}^1$

素因数の和:82375

約数の個数: 24

約数和(自身を含む): 43071799680

約数和(自身を除く): 22563066220

約数列:

[1, 2, 4, 5, 10, 20, 15287, 30574, 61148, 67079, 76435, 134158, 152870, 268316, 305740, 335395, 670790, 1341580, 1025436673, 2050873346, 4101746692, 5127183365, 10254366730, 20508733460]

約数ペア:

[(1, 20508733460), (2, 10254366730), (4, 5127183365), (5, 4101746692), (10, 2050873346), (20, 1025436673), (15287, 1341580), (30574, 670790), (61148, 335395), (67079, 305740), (76435, 268316), (134158, 152870)]