20842110

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{953}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 56324160

約数和(自身を除く): 35482050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 953, 1215, 1458, 1906, 2187, 2430, 2859, 3645, 4374, 4765, 5718, 7290, 8577, 9530, 10935, 14295, 17154, 21870, 25731, 28590, 42885, 51462, 77193, 85770, 128655, 154386, 231579, 257310, 385965, 463158, 694737, 771930, 1157895, 1389474, 2084211, 2315790, 3473685, 4168422, 6947370, 10421055, 20842110]

約数ペア:

[(1, 20842110), (2, 10421055), (3, 6947370), (5, 4168422), (6, 3473685), (9, 2315790), (10, 2084211), (15, 1389474), (18, 1157895), (27, 771930), (30, 694737), (45, 463158), (54, 385965), (81, 257310), (90, 231579), (135, 154386), (162, 128655), (243, 85770), (270, 77193), (405, 51462), (486, 42885), (729, 28590), (810, 25731), (953, 21870), (1215, 17154), (1458, 14295), (1906, 10935), (2187, 9530), (2430, 8577), (2859, 7290), (3645, 5718), (4374, 4765)]