20730180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3229}}^1$

素因数の和:3348

約数の個数: 48

約数和(自身を含む): 58605120

約数和(自身を除く): 37874940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3229, 6420, 6458, 9687, 12916, 16145, 19374, 32290, 38748, 48435, 64580, 96870, 193740, 345503, 691006, 1036509, 1382012, 1727515, 2073018, 3455030, 4146036, 5182545, 6910060, 10365090, 20730180]

約数ペア:

[(1, 20730180), (2, 10365090), (3, 6910060), (4, 5182545), (5, 4146036), (6, 3455030), (10, 2073018), (12, 1727515), (15, 1382012), (20, 1036509), (30, 691006), (60, 345503), (107, 193740), (214, 96870), (321, 64580), (428, 48435), (535, 38748), (642, 32290), (1070, 19374), (1284, 16145), (1605, 12916), (2140, 9687), (3210, 6458), (3229, 6420)]