20851892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 40857600

約数和(自身を除く): 20005708

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 79, 92, 151, 158, 302, 316, 437, 604, 874, 1501, 1748, 1817, 2869, 3002, 3473, 3634, 5738, 6004, 6946, 7268, 11476, 11929, 13892, 23858, 34523, 47716, 65987, 69046, 131974, 138092, 226651, 263948, 274367, 453302, 548734, 906604, 1097468, 5212973, 10425946, 20851892]

約数ペア:

[(1, 20851892), (2, 10425946), (4, 5212973), (19, 1097468), (23, 906604), (38, 548734), (46, 453302), (76, 274367), (79, 263948), (92, 226651), (151, 138092), (158, 131974), (302, 69046), (316, 65987), (437, 47716), (604, 34523), (874, 23858), (1501, 13892), (1748, 11929), (1817, 11476), (2869, 7268), (3002, 6946), (3473, 6004), (3634, 5738)]