20130771626

素因数分解:

$2^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^2$

素因数の和:556

約数の個数: 72

約数和(自身を含む): 36285871680

約数和(自身を除く): 16155100054

約数列:

[1, 2, 7, 14, 49, 67, 79, 98, 134, 158, 197, 394, 469, 553, 938, 1106, 1379, 2758, 3283, 3871, 5293, 6566, 7742, 9653, 10586, 13199, 15563, 19306, 26398, 31126, 37051, 38809, 74102, 77618, 92393, 108941, 184786, 217882, 259357, 271663, 518714, 543326, 646751, 762587, 1042721, 1293502, 1525174, 1901641, 2085442, 2600203, 3065911, 3803282, 5200406, 6131822, 7299047, 14598094, 18201421, 21461377, 36402842, 42922754, 51093329, 102186658, 127409947, 150229639, 205416037, 254819894, 300459278, 410832074, 1437912259, 2875824518, 10065385813, 20130771626]

約数ペア:

[(1, 20130771626), (2, 10065385813), (7, 2875824518), (14, 1437912259), (49, 410832074), (67, 300459278), (79, 254819894), (98, 205416037), (134, 150229639), (158, 127409947), (197, 102186658), (394, 51093329), (469, 42922754), (553, 36402842), (938, 21461377), (1106, 18201421), (1379, 14598094), (2758, 7299047), (3283, 6131822), (3871, 5200406), (5293, 3803282), (6566, 3065911), (7742, 2600203), (9653, 2085442), (10586, 1901641), (13199, 1525174), (15563, 1293502), (19306, 1042721), (26398, 762587), (31126, 646751), (37051, 543326), (38809, 518714), (74102, 271663), (77618, 259357), (92393, 217882), (108941, 184786)]