20950818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 29368542

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 103, 167, 174, 203, 206, 309, 334, 406, 501, 609, 618, 721, 1002, 1169, 1218, 1442, 2163, 2338, 2987, 3507, 4326, 4843, 5974, 7014, 8961, 9686, 14529, 17201, 17922, 20909, 29058, 33901, 34402, 41818, 51603, 62727, 67802, 101703, 103206, 120407, 125454, 203406, 240814, 361221, 498829, 722442, 997658, 1496487, 2992974, 3491803, 6983606, 10475409, 20950818]

約数ペア:

[(1, 20950818), (2, 10475409), (3, 6983606), (6, 3491803), (7, 2992974), (14, 1496487), (21, 997658), (29, 722442), (42, 498829), (58, 361221), (87, 240814), (103, 203406), (167, 125454), (174, 120407), (203, 103206), (206, 101703), (309, 67802), (334, 62727), (406, 51603), (501, 41818), (609, 34402), (618, 33901), (721, 29058), (1002, 20909), (1169, 17922), (1218, 17201), (1442, 14529), (2163, 9686), (2338, 8961), (2987, 7014), (3507, 5974), (4326, 4843)]