20189954883

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1051}}^1\times {\mathrm{6983}}^1$

素因数の和:8175

約数の個数: 32

約数和(自身を含む): 31034437632

約数和(自身を除く): 10844482749

約数列:

[1, 3, 7, 21, 131, 393, 917, 1051, 2751, 3153, 6983, 7357, 20949, 22071, 48881, 137681, 146643, 413043, 914773, 963767, 2744319, 2891301, 6403411, 7339133, 19210233, 22017399, 51373931, 154121793, 961426423, 2884279269, 6729984961, 20189954883]

約数ペア:

[(1, 20189954883), (3, 6729984961), (7, 2884279269), (21, 961426423), (131, 154121793), (393, 51373931), (917, 22017399), (1051, 19210233), (2751, 7339133), (3153, 6403411), (6983, 2891301), (7357, 2744319), (20949, 963767), (22071, 914773), (48881, 413043), (137681, 146643)]