20122968

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 57784320

約数和(自身を除く): 37661352

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 37, 43, 51, 62, 68, 74, 86, 93, 102, 111, 124, 129, 136, 148, 172, 186, 204, 222, 248, 258, 296, 344, 372, 408, 444, 516, 527, 629, 731, 744, 888, 1032, 1054, 1147, 1258, 1333, 1462, 1581, 1591, 1887, 2108, 2193, 2294, 2516, 2666, 2924, 3162, 3182, 3441, 3774, 3999, 4216, 4386, 4588, 4773, 5032, 5332, 5848, 6324, 6364, 6882, 7548, 7998, 8772, 9176, 9546, 10664, 12648, 12728, 13764, 15096, 15996, 17544, 19092, 19499, 22661, 27047, 27528, 31992, 38184, 38998, 45322, 49321, 54094, 58497, 67983, 77996, 81141, 90644, 98642, 108188, 116994, 135966, 147963, 155992, 162282, 181288, 197284, 216376, 233988, 271932, 295926, 324564, 394568, 467976, 543864, 591852, 649128, 838457, 1183704, 1676914, 2515371, 3353828, 5030742, 6707656, 10061484, 20122968]

約数ペア:

[(1, 20122968), (2, 10061484), (3, 6707656), (4, 5030742), (6, 3353828), (8, 2515371), (12, 1676914), (17, 1183704), (24, 838457), (31, 649128), (34, 591852), (37, 543864), (43, 467976), (51, 394568), (62, 324564), (68, 295926), (74, 271932), (86, 233988), (93, 216376), (102, 197284), (111, 181288), (124, 162282), (129, 155992), (136, 147963), (148, 135966), (172, 116994), (186, 108188), (204, 98642), (222, 90644), (248, 81141), (258, 77996), (296, 67983), (344, 58497), (372, 54094), (408, 49321), (444, 45322), (516, 38998), (527, 38184), (629, 31992), (731, 27528), (744, 27047), (888, 22661), (1032, 19499), (1054, 19092), (1147, 17544), (1258, 15996), (1333, 15096), (1462, 13764), (1581, 12728), (1591, 12648), (1887, 10664), (2108, 9546), (2193, 9176), (2294, 8772), (2516, 7998), (2666, 7548), (2924, 6882), (3162, 6364), (3182, 6324), (3441, 5848), (3774, 5332), (3999, 5032), (4216, 4773), (4386, 4588)]