20946996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{823}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 61186944

約数和(自身を除く): 40239948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 823, 909, 1212, 1414, 1646, 1818, 2121, 2469, 2828, 3292, 3636, 4242, 4938, 5761, 6363, 7407, 8484, 9876, 11522, 12726, 14814, 17283, 23044, 25452, 29628, 34566, 51849, 69132, 83123, 103698, 166246, 207396, 249369, 332492, 498738, 581861, 748107, 997476, 1163722, 1496214, 1745583, 2327444, 2992428, 3491166, 5236749, 6982332, 10473498, 20946996]

約数ペア:

[(1, 20946996), (2, 10473498), (3, 6982332), (4, 5236749), (6, 3491166), (7, 2992428), (9, 2327444), (12, 1745583), (14, 1496214), (18, 1163722), (21, 997476), (28, 748107), (36, 581861), (42, 498738), (63, 332492), (84, 249369), (101, 207396), (126, 166246), (202, 103698), (252, 83123), (303, 69132), (404, 51849), (606, 34566), (707, 29628), (823, 25452), (909, 23044), (1212, 17283), (1414, 14814), (1646, 12726), (1818, 11522), (2121, 9876), (2469, 8484), (2828, 7407), (3292, 6363), (3636, 5761), (4242, 4938)]