20797381185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{5749}}^1$

素因数の和:6158

約数の個数: 64

約数和(自身を含む): 38472192000

約数和(自身を除く): 17674810815

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 263, 393, 655, 789, 917, 1315, 1841, 1965, 2751, 3945, 4585, 5523, 5749, 9205, 13755, 17247, 27615, 28745, 34453, 40243, 86235, 103359, 120729, 172265, 201215, 241171, 516795, 603645, 723513, 753119, 1205855, 1511987, 2259357, 3617565, 3765595, 4535961, 5271833, 7559935, 10583909, 11296785, 15815499, 22679805, 26359165, 31751727, 52919545, 79077495, 158758635, 198070297, 594210891, 990351485, 1386492079, 2971054455, 4159476237, 6932460395, 20797381185]

約数ペア:

[(1, 20797381185), (3, 6932460395), (5, 4159476237), (7, 2971054455), (15, 1386492079), (21, 990351485), (35, 594210891), (105, 198070297), (131, 158758635), (263, 79077495), (393, 52919545), (655, 31751727), (789, 26359165), (917, 22679805), (1315, 15815499), (1841, 11296785), (1965, 10583909), (2751, 7559935), (3945, 5271833), (4585, 4535961), (5523, 3765595), (5749, 3617565), (9205, 2259357), (13755, 1511987), (17247, 1205855), (27615, 753119), (28745, 723513), (34453, 603645), (40243, 516795), (86235, 241171), (103359, 201215), (120729, 172265)]