20463935908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{193}}^1\times {\mathrm{1213}}^1$

素因数の和:1505

約数の個数: 72

約数和(自身を含む): 39767818664

約数和(自身を除く): 19303882756

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 193, 386, 533, 772, 1066, 1213, 1681, 2132, 2426, 2509, 3362, 4852, 5018, 6724, 7913, 10036, 15769, 15826, 21853, 31538, 31652, 43706, 49733, 63076, 87412, 99466, 102869, 198932, 205738, 234109, 324433, 411476, 468218, 646529, 648866, 936436, 1293058, 1297732, 2039053, 2586116, 3043417, 4078106, 4217629, 6086834, 8156212, 8435258, 9598469, 12173668, 16870516, 19196938, 26507689, 38393876, 53015378, 106030756, 124780097, 249560194, 393537229, 499120388, 787074458, 1574148916, 5115983977, 10231967954, 20463935908]

約数ペア:

[(1, 20463935908), (2, 10231967954), (4, 5115983977), (13, 1574148916), (26, 787074458), (41, 499120388), (52, 393537229), (82, 249560194), (164, 124780097), (193, 106030756), (386, 53015378), (533, 38393876), (772, 26507689), (1066, 19196938), (1213, 16870516), (1681, 12173668), (2132, 9598469), (2426, 8435258), (2509, 8156212), (3362, 6086834), (4852, 4217629), (5018, 4078106), (6724, 3043417), (7913, 2586116), (10036, 2039053), (15769, 1297732), (15826, 1293058), (21853, 936436), (31538, 648866), (31652, 646529), (43706, 468218), (49733, 411476), (63076, 324433), (87412, 234109), (99466, 205738), (102869, 198932)]