20762288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 42705600

約数和(自身を除く): 21943312

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 419, 652, 838, 1304, 1676, 2608, 3097, 3352, 6194, 6704, 7961, 12388, 15922, 24776, 31844, 49552, 63688, 68297, 127376, 136594, 273188, 546376, 1092752, 1297643, 2595286, 5190572, 10381144, 20762288]

約数ペア:

[(1, 20762288), (2, 10381144), (4, 5190572), (8, 2595286), (16, 1297643), (19, 1092752), (38, 546376), (76, 273188), (152, 136594), (163, 127376), (304, 68297), (326, 63688), (419, 49552), (652, 31844), (838, 24776), (1304, 15922), (1676, 12388), (2608, 7961), (3097, 6704), (3352, 6194)]