20597948

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 44130240

約数和(自身を除く): 23532292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 109, 119, 218, 238, 397, 436, 476, 763, 794, 1526, 1588, 1853, 2779, 3052, 3706, 5558, 6749, 7412, 11116, 12971, 13498, 25942, 26996, 43273, 47243, 51884, 86546, 94486, 173092, 188972, 302911, 605822, 735641, 1211644, 1471282, 2942564, 5149487, 10298974, 20597948]

約数ペア:

[(1, 20597948), (2, 10298974), (4, 5149487), (7, 2942564), (14, 1471282), (17, 1211644), (28, 735641), (34, 605822), (68, 302911), (109, 188972), (119, 173092), (218, 94486), (238, 86546), (397, 51884), (436, 47243), (476, 43273), (763, 26996), (794, 25942), (1526, 13498), (1588, 12971), (1853, 11116), (2779, 7412), (3052, 6749), (3706, 5558)]