20832310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 21469130

約数列:

[1, 2, 5, 10, 17, 31, 34, 59, 62, 67, 85, 118, 134, 155, 170, 295, 310, 335, 527, 590, 670, 1003, 1054, 1139, 1829, 2006, 2077, 2278, 2635, 3658, 3953, 4154, 5015, 5270, 5695, 7906, 9145, 10030, 10385, 11390, 18290, 19765, 20770, 31093, 35309, 39530, 62186, 67201, 70618, 122543, 134402, 155465, 176545, 245086, 310930, 336005, 353090, 612715, 672010, 1225430, 2083231, 4166462, 10416155, 20832310]

約数ペア:

[(1, 20832310), (2, 10416155), (5, 4166462), (10, 2083231), (17, 1225430), (31, 672010), (34, 612715), (59, 353090), (62, 336005), (67, 310930), (85, 245086), (118, 176545), (134, 155465), (155, 134402), (170, 122543), (295, 70618), (310, 67201), (335, 62186), (527, 39530), (590, 35309), (670, 31093), (1003, 20770), (1054, 19765), (1139, 18290), (1829, 11390), (2006, 10385), (2077, 10030), (2278, 9145), (2635, 7906), (3658, 5695), (3953, 5270), (4154, 5015)]