47918420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19801}}^1$

素因数の和:19832

約数の個数: 36

約数和(自身を含む): 110613972

約数和(自身を除く): 62695552

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 19801, 39602, 79204, 99005, 198010, 217811, 396020, 435622, 871244, 1089055, 2178110, 2395921, 4356220, 4791842, 9583684, 11979605, 23959210, 47918420]

約数ペア:

[(1, 47918420), (2, 23959210), (4, 11979605), (5, 9583684), (10, 4791842), (11, 4356220), (20, 2395921), (22, 2178110), (44, 1089055), (55, 871244), (110, 435622), (121, 396020), (220, 217811), (242, 198010), (484, 99005), (605, 79204), (1210, 39602), (2420, 19801)]