20176975330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{16421}}^1$

素因数の和:16699

約数の個数: 64

約数和(自身を含む): 39728102400

約数和(自身を除く): 19551127070

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 223, 290, 446, 551, 1102, 1115, 2230, 2755, 4237, 5510, 6467, 8474, 12934, 16421, 21185, 32335, 32842, 42370, 64670, 82105, 122873, 164210, 245746, 311999, 476209, 614365, 623998, 952418, 1228730, 1559995, 2381045, 3119990, 3661883, 4762090, 7323766, 9047971, 18095942, 18309415, 36618830, 45239855, 69575777, 90479710, 106194607, 139151554, 212389214, 347878885, 530973035, 695757770, 1061946070, 2017697533, 4035395066, 10088487665, 20176975330]

約数ペア:

[(1, 20176975330), (2, 10088487665), (5, 4035395066), (10, 2017697533), (19, 1061946070), (29, 695757770), (38, 530973035), (58, 347878885), (95, 212389214), (145, 139151554), (190, 106194607), (223, 90479710), (290, 69575777), (446, 45239855), (551, 36618830), (1102, 18309415), (1115, 18095942), (2230, 9047971), (2755, 7323766), (4237, 4762090), (5510, 3661883), (6467, 3119990), (8474, 2381045), (12934, 1559995), (16421, 1228730), (21185, 952418), (32335, 623998), (32842, 614365), (42370, 476209), (64670, 311999), (82105, 245746), (122873, 164210)]