20179440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28027}}^1$

素因数の和:28046

約数の個数: 60

約数和(自身を含む): 67771704

約数和(自身を除く): 47592264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28027, 56054, 84081, 112108, 140135, 168162, 224216, 252243, 280270, 336324, 420405, 448432, 504486, 560540, 672648, 840810, 1008972, 1121080, 1261215, 1345296, 1681620, 2017944, 2242160, 2522430, 3363240, 4035888, 5044860, 6726480, 10089720, 20179440]

約数ペア:

[(1, 20179440), (2, 10089720), (3, 6726480), (4, 5044860), (5, 4035888), (6, 3363240), (8, 2522430), (9, 2242160), (10, 2017944), (12, 1681620), (15, 1345296), (16, 1261215), (18, 1121080), (20, 1008972), (24, 840810), (30, 672648), (36, 560540), (40, 504486), (45, 448432), (48, 420405), (60, 336324), (72, 280270), (80, 252243), (90, 224216), (120, 168162), (144, 140135), (180, 112108), (240, 84081), (360, 56054), (720, 28027)]