20951034

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 48437760

約数和(自身を除く): 27486726

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 67, 78, 114, 134, 201, 211, 247, 402, 422, 494, 633, 741, 871, 1266, 1273, 1482, 1742, 2546, 2613, 2743, 3819, 4009, 5226, 5486, 7638, 8018, 8229, 12027, 14137, 16458, 16549, 24054, 28274, 33098, 42411, 49647, 52117, 84822, 99294, 104234, 156351, 183781, 268603, 312702, 367562, 537206, 551343, 805809, 1102686, 1611618, 3491839, 6983678, 10475517, 20951034]

約数ペア:

[(1, 20951034), (2, 10475517), (3, 6983678), (6, 3491839), (13, 1611618), (19, 1102686), (26, 805809), (38, 551343), (39, 537206), (57, 367562), (67, 312702), (78, 268603), (114, 183781), (134, 156351), (201, 104234), (211, 99294), (247, 84822), (402, 52117), (422, 49647), (494, 42411), (633, 33098), (741, 28274), (871, 24054), (1266, 16549), (1273, 16458), (1482, 14137), (1742, 12027), (2546, 8229), (2613, 8018), (2743, 7638), (3819, 5486), (4009, 5226)]