20679030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 39800970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 87, 90, 95, 114, 135, 139, 145, 171, 174, 190, 261, 270, 278, 285, 290, 342, 417, 435, 513, 522, 551, 570, 695, 783, 834, 855, 870, 1026, 1102, 1251, 1305, 1390, 1566, 1653, 1710, 2085, 2502, 2565, 2610, 2641, 2755, 3306, 3753, 3915, 4031, 4170, 4959, 5130, 5282, 5510, 6255, 7506, 7830, 7923, 8062, 8265, 9918, 12093, 12510, 13205, 14877, 15846, 16530, 18765, 20155, 23769, 24186, 24795, 26410, 29754, 36279, 37530, 39615, 40310, 47538, 49590, 60465, 71307, 72558, 74385, 76589, 79230, 108837, 118845, 120930, 142614, 148770, 153178, 181395, 217674, 229767, 237690, 356535, 362790, 382945, 459534, 544185, 689301, 713070, 765890, 1088370, 1148835, 1378602, 2067903, 2297670, 3446505, 4135806, 6893010, 10339515, 20679030]

約数ペア:

[(1, 20679030), (2, 10339515), (3, 6893010), (5, 4135806), (6, 3446505), (9, 2297670), (10, 2067903), (15, 1378602), (18, 1148835), (19, 1088370), (27, 765890), (29, 713070), (30, 689301), (38, 544185), (45, 459534), (54, 382945), (57, 362790), (58, 356535), (87, 237690), (90, 229767), (95, 217674), (114, 181395), (135, 153178), (139, 148770), (145, 142614), (171, 120930), (174, 118845), (190, 108837), (261, 79230), (270, 76589), (278, 74385), (285, 72558), (290, 71307), (342, 60465), (417, 49590), (435, 47538), (513, 40310), (522, 39615), (551, 37530), (570, 36279), (695, 29754), (783, 26410), (834, 24795), (855, 24186), (870, 23769), (1026, 20155), (1102, 18765), (1251, 16530), (1305, 15846), (1390, 14877), (1566, 13205), (1653, 12510), (1710, 12093), (2085, 9918), (2502, 8265), (2565, 8062), (2610, 7923), (2641, 7830), (2755, 7506), (3306, 6255), (3753, 5510), (3915, 5282), (4031, 5130), (4170, 4959)]