20385690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 53174016

約数和(自身を除く): 32788326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 167, 195, 313, 334, 390, 501, 626, 835, 939, 1002, 1565, 1670, 1878, 2171, 2505, 3130, 4069, 4342, 4695, 5010, 6513, 8138, 9390, 10855, 12207, 13026, 20345, 21710, 24414, 32565, 40690, 52271, 61035, 65130, 104542, 122070, 156813, 261355, 313626, 522710, 679523, 784065, 1359046, 1568130, 2038569, 3397615, 4077138, 6795230, 10192845, 20385690]

約数ペア:

[(1, 20385690), (2, 10192845), (3, 6795230), (5, 4077138), (6, 3397615), (10, 2038569), (13, 1568130), (15, 1359046), (26, 784065), (30, 679523), (39, 522710), (65, 313626), (78, 261355), (130, 156813), (167, 122070), (195, 104542), (313, 65130), (334, 61035), (390, 52271), (501, 40690), (626, 32565), (835, 24414), (939, 21710), (1002, 20345), (1565, 13026), (1670, 12207), (1878, 10855), (2171, 9390), (2505, 8138), (3130, 6513), (4069, 5010), (4342, 4695)]