20087522903

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{2879}}^1$

素因数の和:3108

約数の個数: 48

約数和(自身を含む): 25151938560

約数和(自身を除く): 5064415657

約数列:

[1, 7, 23, 41, 49, 151, 161, 287, 943, 1057, 1127, 2009, 2879, 3473, 6191, 6601, 7399, 20153, 24311, 43337, 46207, 66217, 118039, 141071, 142393, 170177, 303359, 434729, 463519, 826273, 996751, 2714897, 3043103, 3244633, 5783911, 6977257, 9998767, 17823889, 19004279, 21301721, 69991369, 124767223, 133029953, 409949447, 489939583, 873370561, 2869646129, 20087522903]

約数ペア:

[(1, 20087522903), (7, 2869646129), (23, 873370561), (41, 489939583), (49, 409949447), (151, 133029953), (161, 124767223), (287, 69991369), (943, 21301721), (1057, 19004279), (1127, 17823889), (2009, 9998767), (2879, 6977257), (3473, 5783911), (6191, 3244633), (6601, 3043103), (7399, 2714897), (20153, 996751), (24311, 826273), (43337, 463519), (46207, 434729), (66217, 303359), (118039, 170177), (141071, 142393)]