20484360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1492

約数の個数: 128

約数和(自身を含む): 73584000

約数和(自身を除く): 53099640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1459, 1560, 1755, 2340, 2808, 2918, 3510, 4377, 4680, 5836, 7020, 7295, 8754, 11672, 13131, 14040, 14590, 17508, 18967, 21885, 26262, 29180, 35016, 37934, 39393, 43770, 52524, 56901, 58360, 65655, 75868, 78786, 87540, 94835, 105048, 113802, 131310, 151736, 157572, 170703, 175080, 189670, 196965, 227604, 262620, 284505, 315144, 341406, 379340, 393930, 455208, 512109, 525240, 569010, 682812, 758680, 787860, 853515, 1024218, 1138020, 1365624, 1575720, 1707030, 2048436, 2276040, 2560545, 3414060, 4096872, 5121090, 6828120, 10242180, 20484360]

約数ペア:

[(1, 20484360), (2, 10242180), (3, 6828120), (4, 5121090), (5, 4096872), (6, 3414060), (8, 2560545), (9, 2276040), (10, 2048436), (12, 1707030), (13, 1575720), (15, 1365624), (18, 1138020), (20, 1024218), (24, 853515), (26, 787860), (27, 758680), (30, 682812), (36, 569010), (39, 525240), (40, 512109), (45, 455208), (52, 393930), (54, 379340), (60, 341406), (65, 315144), (72, 284505), (78, 262620), (90, 227604), (104, 196965), (108, 189670), (117, 175080), (120, 170703), (130, 157572), (135, 151736), (156, 131310), (180, 113802), (195, 105048), (216, 94835), (234, 87540), (260, 78786), (270, 75868), (312, 65655), (351, 58360), (360, 56901), (390, 52524), (468, 43770), (520, 39393), (540, 37934), (585, 35016), (702, 29180), (780, 26262), (936, 21885), (1080, 18967), (1170, 17508), (1404, 14590), (1459, 14040), (1560, 13131), (1755, 11672), (2340, 8754), (2808, 7295), (2918, 7020), (3510, 5836), (4377, 4680)]