20446622

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 17857378

約数列:

[1, 2, 7, 14, 19, 38, 49, 79, 98, 133, 139, 158, 266, 278, 553, 931, 973, 1106, 1501, 1862, 1946, 2641, 3002, 3871, 5282, 6811, 7742, 10507, 10981, 13622, 18487, 21014, 21962, 36974, 73549, 76867, 129409, 147098, 153734, 208639, 258818, 417278, 538069, 1076138, 1460473, 2920946, 10223311, 20446622]

約数ペア:

[(1, 20446622), (2, 10223311), (7, 2920946), (14, 1460473), (19, 1076138), (38, 538069), (49, 417278), (79, 258818), (98, 208639), (133, 153734), (139, 147098), (158, 129409), (266, 76867), (278, 73549), (553, 36974), (931, 21962), (973, 21014), (1106, 18487), (1501, 13622), (1862, 10981), (1946, 10507), (2641, 7742), (3002, 6811), (3871, 5282)]