20597072

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 41220576

約数和(自身を除く): 20623504

約数列:

[1, 2, 4, 8, 16, 53, 106, 107, 212, 214, 227, 424, 428, 454, 848, 856, 908, 1712, 1816, 3632, 5671, 11342, 12031, 22684, 24062, 24289, 45368, 48124, 48578, 90736, 96248, 97156, 192496, 194312, 388624, 1287317, 2574634, 5149268, 10298536, 20597072]

約数ペア:

[(1, 20597072), (2, 10298536), (4, 5149268), (8, 2574634), (16, 1287317), (53, 388624), (106, 194312), (107, 192496), (212, 97156), (214, 96248), (227, 90736), (424, 48578), (428, 48124), (454, 45368), (848, 24289), (856, 24062), (908, 22684), (1712, 12031), (1816, 11342), (3632, 5671)]