2020309620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4810261}}^1$

素因数の和:4810280

約数の個数: 48

約数和(自身を含む): 6464992128

約数和(自身を除く): 4444682508

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, 420, 4810261, 9620522, 14430783, 19241044, 24051305, 28861566, 33671827, 48102610, 57723132, 67343654, 72153915, 96205220, 101015481, 134687308, 144307830, 168359135, 202030962, 288615660, 336718270, 404061924, 505077405, 673436540, 1010154810, 2020309620]

約数ペア:

[(1, 2020309620), (2, 1010154810), (3, 673436540), (4, 505077405), (5, 404061924), (6, 336718270), (7, 288615660), (10, 202030962), (12, 168359135), (14, 144307830), (15, 134687308), (20, 101015481), (21, 96205220), (28, 72153915), (30, 67343654), (35, 57723132), (42, 48102610), (60, 33671827), (70, 28861566), (84, 24051305), (105, 19241044), (140, 14430783), (210, 9620522), (420, 4810261)]