20163379440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{398171}}^1$

素因数の和:398398

約数の個数: 80

約数和(自身を含む): 62802873216

約数和(自身を除く): 42639493776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3376, 4220, 5064, 6330, 8440, 10128, 12660, 16880, 25320, 50640, 398171, 796342, 1194513, 1592684, 1990855, 2389026, 3185368, 3981710, 4778052, 5972565, 6370736, 7963420, 9556104, 11945130, 15926840, 19112208, 23890260, 31853680, 47780520, 84014081, 95561040, 168028162, 252042243, 336056324, 420070405, 504084486, 672112648, 840140810, 1008168972, 1260211215, 1344225296, 1680281620, 2016337944, 2520422430, 3360563240, 4032675888, 5040844860, 6721126480, 10081689720, 20163379440]

約数ペア:

[(1, 20163379440), (2, 10081689720), (3, 6721126480), (4, 5040844860), (5, 4032675888), (6, 3360563240), (8, 2520422430), (10, 2016337944), (12, 1680281620), (15, 1344225296), (16, 1260211215), (20, 1008168972), (24, 840140810), (30, 672112648), (40, 504084486), (48, 420070405), (60, 336056324), (80, 252042243), (120, 168028162), (211, 95561040), (240, 84014081), (422, 47780520), (633, 31853680), (844, 23890260), (1055, 19112208), (1266, 15926840), (1688, 11945130), (2110, 9556104), (2532, 7963420), (3165, 6370736), (3376, 5972565), (4220, 4778052), (5064, 3981710), (6330, 3185368), (8440, 2389026), (10128, 1990855), (12660, 1592684), (16880, 1194513), (25320, 796342), (50640, 398171)]