20515896

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5033

約数の個数: 64

約数和(自身を含む): 60000000

約数和(自身を除く): 39484104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 4999, 9998, 14997, 19996, 29994, 39992, 44991, 59988, 89982, 94981, 119976, 134973, 179964, 189962, 269946, 284943, 359928, 379924, 539892, 569886, 759848, 854829, 1079784, 1139772, 1709658, 2279544, 2564487, 3419316, 5128974, 6838632, 10257948, 20515896]

約数ペア:

[(1, 20515896), (2, 10257948), (3, 6838632), (4, 5128974), (6, 3419316), (8, 2564487), (9, 2279544), (12, 1709658), (18, 1139772), (19, 1079784), (24, 854829), (27, 759848), (36, 569886), (38, 539892), (54, 379924), (57, 359928), (72, 284943), (76, 269946), (108, 189962), (114, 179964), (152, 134973), (171, 119976), (216, 94981), (228, 89982), (342, 59988), (456, 44991), (513, 39992), (684, 29994), (1026, 19996), (1368, 14997), (2052, 9998), (4104, 4999)]