20138535172

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{304373}}^1$

素因数の和:304540

約数の個数: 48

約数和(自身を含む): 42953258880

約数和(自身を除く): 22814723708

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 278, 476, 556, 973, 1946, 2363, 3892, 4726, 9452, 16541, 33082, 66164, 304373, 608746, 1217492, 2130611, 4261222, 5174341, 8522444, 10348682, 20697364, 36220387, 42307847, 72440774, 84615694, 144881548, 169231388, 296154929, 592309858, 719233399, 1184619716, 1438466798, 2876933596, 5034633793, 10069267586, 20138535172]

約数ペア:

[(1, 20138535172), (2, 10069267586), (4, 5034633793), (7, 2876933596), (14, 1438466798), (17, 1184619716), (28, 719233399), (34, 592309858), (68, 296154929), (119, 169231388), (139, 144881548), (238, 84615694), (278, 72440774), (476, 42307847), (556, 36220387), (973, 20697364), (1946, 10348682), (2363, 8522444), (3892, 5174341), (4726, 4261222), (9452, 2130611), (16541, 1217492), (33082, 608746), (66164, 304373)]