20303850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 58674816

約数和(自身を除く): 38370966

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 61, 70, 75, 105, 122, 150, 175, 183, 210, 305, 317, 350, 366, 427, 525, 610, 634, 854, 915, 951, 1050, 1281, 1525, 1585, 1830, 1902, 2135, 2219, 2562, 3050, 3170, 4270, 4438, 4575, 4755, 6405, 6657, 7925, 9150, 9510, 10675, 11095, 12810, 13314, 15850, 19337, 21350, 22190, 23775, 32025, 33285, 38674, 47550, 55475, 58011, 64050, 66570, 96685, 110950, 116022, 135359, 166425, 193370, 270718, 290055, 332850, 406077, 483425, 580110, 676795, 812154, 966850, 1353590, 1450275, 2030385, 2900550, 3383975, 4060770, 6767950, 10151925, 20303850]

約数ペア:

[(1, 20303850), (2, 10151925), (3, 6767950), (5, 4060770), (6, 3383975), (7, 2900550), (10, 2030385), (14, 1450275), (15, 1353590), (21, 966850), (25, 812154), (30, 676795), (35, 580110), (42, 483425), (50, 406077), (61, 332850), (70, 290055), (75, 270718), (105, 193370), (122, 166425), (150, 135359), (175, 116022), (183, 110950), (210, 96685), (305, 66570), (317, 64050), (350, 58011), (366, 55475), (427, 47550), (525, 38674), (610, 33285), (634, 32025), (854, 23775), (915, 22190), (951, 21350), (1050, 19337), (1281, 15850), (1525, 13314), (1585, 12810), (1830, 11095), (1902, 10675), (2135, 9510), (2219, 9150), (2562, 7925), (3050, 6657), (3170, 6405), (4270, 4755), (4438, 4575)]