20712648

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 57381120

約数和(自身を除く): 36668472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1171, 1474, 1608, 2211, 2342, 2948, 3513, 4422, 4684, 5896, 7026, 8844, 9368, 12881, 14052, 17688, 25762, 28104, 38643, 51524, 77286, 78457, 103048, 154572, 156914, 235371, 309144, 313828, 470742, 627656, 863027, 941484, 1726054, 1882968, 2589081, 3452108, 5178162, 6904216, 10356324, 20712648]

約数ペア:

[(1, 20712648), (2, 10356324), (3, 6904216), (4, 5178162), (6, 3452108), (8, 2589081), (11, 1882968), (12, 1726054), (22, 941484), (24, 863027), (33, 627656), (44, 470742), (66, 313828), (67, 309144), (88, 235371), (132, 156914), (134, 154572), (201, 103048), (264, 78457), (268, 77286), (402, 51524), (536, 38643), (737, 28104), (804, 25762), (1171, 17688), (1474, 14052), (1608, 12881), (2211, 9368), (2342, 8844), (2948, 7026), (3513, 5896), (4422, 4684)]