20210144

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22464544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 97, 136, 194, 272, 383, 388, 544, 766, 776, 1532, 1552, 1649, 3064, 3104, 3298, 6128, 6511, 6596, 12256, 13022, 13192, 26044, 26384, 37151, 52088, 52768, 74302, 104176, 148604, 208352, 297208, 594416, 631567, 1188832, 1263134, 2526268, 5052536, 10105072, 20210144]

約数ペア:

[(1, 20210144), (2, 10105072), (4, 5052536), (8, 2526268), (16, 1263134), (17, 1188832), (32, 631567), (34, 594416), (68, 297208), (97, 208352), (136, 148604), (194, 104176), (272, 74302), (383, 52768), (388, 52088), (544, 37151), (766, 26384), (776, 26044), (1532, 13192), (1552, 13022), (1649, 12256), (3064, 6596), (3104, 6511), (3298, 6128)]