20154722778

素因数分解:

$2^1\times 3^{11}\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 45756984000

約数和(自身を除く): 25602261222

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 163, 243, 326, 349, 486, 489, 698, 729, 978, 1047, 1458, 1467, 2094, 2187, 2934, 3141, 4374, 4401, 6282, 6561, 8802, 9423, 13122, 13203, 18846, 19683, 26406, 28269, 39366, 39609, 56538, 56887, 59049, 79218, 84807, 113774, 118098, 118827, 169614, 170661, 177147, 237654, 254421, 341322, 354294, 356481, 508842, 511983, 712962, 763263, 1023966, 1069443, 1526526, 1535949, 2138886, 2289789, 3071898, 3208329, 4579578, 4607847, 6416658, 6869367, 9215694, 9624987, 13738734, 13823541, 19249974, 20608101, 27647082, 28874961, 41216202, 41470623, 57749922, 61824303, 82941246, 123648606, 124411869, 248823738, 373235607, 746471214, 1119706821, 2239413642, 3359120463, 6718240926, 10077361389, 20154722778]

約数ペア:

[(1, 20154722778), (2, 10077361389), (3, 6718240926), (6, 3359120463), (9, 2239413642), (18, 1119706821), (27, 746471214), (54, 373235607), (81, 248823738), (162, 124411869), (163, 123648606), (243, 82941246), (326, 61824303), (349, 57749922), (486, 41470623), (489, 41216202), (698, 28874961), (729, 27647082), (978, 20608101), (1047, 19249974), (1458, 13823541), (1467, 13738734), (2094, 9624987), (2187, 9215694), (2934, 6869367), (3141, 6416658), (4374, 4607847), (4401, 4579578), (6282, 3208329), (6561, 3071898), (8802, 2289789), (9423, 2138886), (13122, 1535949), (13203, 1526526), (18846, 1069443), (19683, 1023966), (26406, 763263), (28269, 712962), (39366, 511983), (39609, 508842), (56538, 356481), (56887, 354294), (59049, 341322), (79218, 254421), (84807, 237654), (113774, 177147), (118098, 170661), (118827, 169614)]