20412504

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 63966240

約数和(自身を除く): 43553736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 101, 126, 168, 202, 252, 303, 401, 404, 504, 606, 707, 802, 808, 909, 1203, 1212, 1414, 1604, 1818, 2121, 2406, 2424, 2807, 2828, 3208, 3609, 3636, 4242, 4812, 5614, 5656, 6363, 7218, 7272, 8421, 8484, 9624, 11228, 12726, 14436, 16842, 16968, 22456, 25263, 25452, 28872, 33684, 40501, 50526, 50904, 67368, 81002, 101052, 121503, 162004, 202104, 243006, 283507, 324008, 364509, 486012, 567014, 729018, 850521, 972024, 1134028, 1458036, 1701042, 2268056, 2551563, 2916072, 3402084, 5103126, 6804168, 10206252, 20412504]

約数ペア:

[(1, 20412504), (2, 10206252), (3, 6804168), (4, 5103126), (6, 3402084), (7, 2916072), (8, 2551563), (9, 2268056), (12, 1701042), (14, 1458036), (18, 1134028), (21, 972024), (24, 850521), (28, 729018), (36, 567014), (42, 486012), (56, 364509), (63, 324008), (72, 283507), (84, 243006), (101, 202104), (126, 162004), (168, 121503), (202, 101052), (252, 81002), (303, 67368), (401, 50904), (404, 50526), (504, 40501), (606, 33684), (707, 28872), (802, 25452), (808, 25263), (909, 22456), (1203, 16968), (1212, 16842), (1414, 14436), (1604, 12726), (1818, 11228), (2121, 9624), (2406, 8484), (2424, 8421), (2807, 7272), (2828, 7218), (3208, 6363), (3609, 5656), (3636, 5614), (4242, 4812)]