20652448

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 21925472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 109, 124, 191, 218, 248, 382, 436, 496, 764, 872, 992, 1528, 1744, 3056, 3379, 3488, 5921, 6112, 6758, 11842, 13516, 20819, 23684, 27032, 41638, 47368, 54064, 83276, 94736, 108128, 166552, 189472, 333104, 645389, 666208, 1290778, 2581556, 5163112, 10326224, 20652448]

約数ペア:

[(1, 20652448), (2, 10326224), (4, 5163112), (8, 2581556), (16, 1290778), (31, 666208), (32, 645389), (62, 333104), (109, 189472), (124, 166552), (191, 108128), (218, 94736), (248, 83276), (382, 54064), (436, 47368), (496, 41638), (764, 27032), (872, 23684), (992, 20819), (1528, 13516), (1744, 11842), (3056, 6758), (3379, 6112), (3488, 5921)]