20860860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 63705600

約数和(自身を除く): 42844740

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, 631, 870, 1102, 1140, 1262, 1653, 1740, 1893, 2204, 2524, 2755, 3155, 3306, 3786, 5510, 6310, 6612, 7572, 8265, 9465, 11020, 11989, 12620, 16530, 18299, 18930, 23978, 33060, 35967, 36598, 37860, 47956, 54897, 59945, 71934, 73196, 91495, 109794, 119890, 143868, 179835, 182990, 219588, 239780, 274485, 347681, 359670, 365980, 548970, 695362, 719340, 1043043, 1097940, 1390724, 1738405, 2086086, 3476810, 4172172, 5215215, 6953620, 10430430, 20860860]

約数ペア:

[(1, 20860860), (2, 10430430), (3, 6953620), (4, 5215215), (5, 4172172), (6, 3476810), (10, 2086086), (12, 1738405), (15, 1390724), (19, 1097940), (20, 1043043), (29, 719340), (30, 695362), (38, 548970), (57, 365980), (58, 359670), (60, 347681), (76, 274485), (87, 239780), (95, 219588), (114, 182990), (116, 179835), (145, 143868), (174, 119890), (190, 109794), (228, 91495), (285, 73196), (290, 71934), (348, 59945), (380, 54897), (435, 47956), (551, 37860), (570, 36598), (580, 35967), (631, 33060), (870, 23978), (1102, 18930), (1140, 18299), (1262, 16530), (1653, 12620), (1740, 11989), (1893, 11020), (2204, 9465), (2524, 8265), (2755, 7572), (3155, 6612), (3306, 6310), (3786, 5510)]