20384580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7901}}^1$

素因数の和:7956

約数の個数: 48

約数和(自身を含む): 58411584

約数和(自身を除く): 38027004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7901, 15802, 23703, 31604, 39505, 47406, 79010, 94812, 118515, 158020, 237030, 339743, 474060, 679486, 1019229, 1358972, 1698715, 2038458, 3397430, 4076916, 5096145, 6794860, 10192290, 20384580]

約数ペア:

[(1, 20384580), (2, 10192290), (3, 6794860), (4, 5096145), (5, 4076916), (6, 3397430), (10, 2038458), (12, 1698715), (15, 1358972), (20, 1019229), (30, 679486), (43, 474060), (60, 339743), (86, 237030), (129, 158020), (172, 118515), (215, 94812), (258, 79010), (430, 47406), (516, 39505), (645, 31604), (860, 23703), (1290, 15802), (2580, 7901)]