20747370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3235

約数の個数: 64

約数和(自身を含む): 58761216

約数和(自身を除く): 38013846

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3187, 3255, 6374, 6510, 9561, 15935, 19122, 22309, 31870, 44618, 47805, 66927, 95610, 98797, 111545, 133854, 197594, 223090, 296391, 334635, 493985, 592782, 669270, 691579, 987970, 1383158, 1481955, 2074737, 2963910, 3457895, 4149474, 6915790, 10373685, 20747370]

約数ペア:

[(1, 20747370), (2, 10373685), (3, 6915790), (5, 4149474), (6, 3457895), (7, 2963910), (10, 2074737), (14, 1481955), (15, 1383158), (21, 987970), (30, 691579), (31, 669270), (35, 592782), (42, 493985), (62, 334635), (70, 296391), (93, 223090), (105, 197594), (155, 133854), (186, 111545), (210, 98797), (217, 95610), (310, 66927), (434, 47805), (465, 44618), (651, 31870), (930, 22309), (1085, 19122), (1302, 15935), (2170, 9561), (3187, 6510), (3255, 6374)]