20171581612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1\times {\mathrm{22871}}^1$

素因数の和:25318

約数の個数: 48

約数和(自身を含む): 43466314752

約数和(自身を除く): 23294733140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2423, 4846, 9692, 16961, 22871, 31499, 33922, 45742, 62998, 67844, 91484, 125996, 160097, 220493, 297323, 320194, 440986, 594646, 640388, 881972, 1189292, 2081261, 4162522, 8325044, 55416433, 110832866, 221665732, 387915031, 720413629, 775830062, 1440827258, 1551660124, 2881654516, 5042895403, 10085790806, 20171581612]

約数ペア:

[(1, 20171581612), (2, 10085790806), (4, 5042895403), (7, 2881654516), (13, 1551660124), (14, 1440827258), (26, 775830062), (28, 720413629), (52, 387915031), (91, 221665732), (182, 110832866), (364, 55416433), (2423, 8325044), (4846, 4162522), (9692, 2081261), (16961, 1189292), (22871, 881972), (31499, 640388), (33922, 594646), (45742, 440986), (62998, 320194), (67844, 297323), (91484, 220493), (125996, 160097)]