20783826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 56429568

約数和(自身を除く): 35645742

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 31, 34, 42, 51, 62, 63, 93, 102, 119, 126, 153, 186, 217, 238, 279, 306, 313, 357, 434, 527, 558, 626, 651, 714, 939, 1054, 1071, 1302, 1581, 1878, 1953, 2142, 2191, 2817, 3162, 3689, 3906, 4382, 4743, 5321, 5634, 6573, 7378, 9486, 9703, 10642, 11067, 13146, 15963, 19406, 19719, 22134, 29109, 31926, 33201, 37247, 39438, 47889, 58218, 66402, 67921, 74494, 87327, 95778, 111741, 135842, 164951, 174654, 203763, 223482, 329902, 335223, 407526, 494853, 611289, 670446, 989706, 1154657, 1222578, 1484559, 2309314, 2969118, 3463971, 6927942, 10391913, 20783826]

約数ペア:

[(1, 20783826), (2, 10391913), (3, 6927942), (6, 3463971), (7, 2969118), (9, 2309314), (14, 1484559), (17, 1222578), (18, 1154657), (21, 989706), (31, 670446), (34, 611289), (42, 494853), (51, 407526), (62, 335223), (63, 329902), (93, 223482), (102, 203763), (119, 174654), (126, 164951), (153, 135842), (186, 111741), (217, 95778), (238, 87327), (279, 74494), (306, 67921), (313, 66402), (357, 58218), (434, 47889), (527, 39438), (558, 37247), (626, 33201), (651, 31926), (714, 29109), (939, 22134), (1054, 19719), (1071, 19406), (1302, 15963), (1581, 13146), (1878, 11067), (1953, 10642), (2142, 9703), (2191, 9486), (2817, 7378), (3162, 6573), (3689, 5634), (3906, 5321), (4382, 4743)]