20265780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 96

約数和(自身を含む): 61891200

約数和(自身を除く): 41625420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 570, 580, 613, 870, 1102, 1140, 1226, 1653, 1740, 1839, 2204, 2452, 2755, 3065, 3306, 3678, 5510, 6130, 6612, 7356, 8265, 9195, 11020, 11647, 12260, 16530, 17777, 18390, 23294, 33060, 34941, 35554, 36780, 46588, 53331, 58235, 69882, 71108, 88885, 106662, 116470, 139764, 174705, 177770, 213324, 232940, 266655, 337763, 349410, 355540, 533310, 675526, 698820, 1013289, 1066620, 1351052, 1688815, 2026578, 3377630, 4053156, 5066445, 6755260, 10132890, 20265780]

約数ペア:

[(1, 20265780), (2, 10132890), (3, 6755260), (4, 5066445), (5, 4053156), (6, 3377630), (10, 2026578), (12, 1688815), (15, 1351052), (19, 1066620), (20, 1013289), (29, 698820), (30, 675526), (38, 533310), (57, 355540), (58, 349410), (60, 337763), (76, 266655), (87, 232940), (95, 213324), (114, 177770), (116, 174705), (145, 139764), (174, 116470), (190, 106662), (228, 88885), (285, 71108), (290, 69882), (348, 58235), (380, 53331), (435, 46588), (551, 36780), (570, 35554), (580, 34941), (613, 33060), (870, 23294), (1102, 18390), (1140, 17777), (1226, 16530), (1653, 12260), (1740, 11647), (1839, 11020), (2204, 9195), (2452, 8265), (2755, 7356), (3065, 6612), (3306, 6130), (3678, 5510)]