20028078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6911}}^1$

素因数の和:6949

約数の個数: 48

約数和(自身を含む): 51757056

約数和(自身を除く): 31728978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 6911, 13822, 20733, 41466, 48377, 62199, 96754, 124398, 145131, 158953, 290262, 317906, 435393, 476859, 870786, 953718, 1112671, 1430577, 2225342, 2861154, 3338013, 6676026, 10014039, 20028078]

約数ペア:

[(1, 20028078), (2, 10014039), (3, 6676026), (6, 3338013), (7, 2861154), (9, 2225342), (14, 1430577), (18, 1112671), (21, 953718), (23, 870786), (42, 476859), (46, 435393), (63, 317906), (69, 290262), (126, 158953), (138, 145131), (161, 124398), (207, 96754), (322, 62199), (414, 48377), (483, 41466), (966, 20733), (1449, 13822), (2898, 6911)]