20170290556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 39623360000

約数和(自身を除く): 19453069444

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 139, 148, 199, 278, 379, 398, 481, 556, 758, 796, 962, 1516, 1807, 1924, 2587, 3614, 4927, 5143, 5174, 7228, 7363, 9854, 10286, 10348, 14023, 14726, 19708, 20572, 27661, 28046, 29452, 52681, 55322, 56092, 66859, 75421, 95719, 105362, 110644, 133718, 150842, 182299, 191438, 210724, 267436, 301684, 359593, 364598, 382876, 684853, 719186, 729196, 980473, 1023457, 1369706, 1438372, 1949197, 1960946, 2046914, 2739412, 2790577, 3898394, 3921892, 4093828, 5581154, 7796788, 10483519, 11162308, 13304941, 20967038, 25339561, 26609882, 36277501, 41934076, 50679122, 53219764, 72555002, 101358244, 136285747, 145110004, 272571494, 387890203, 545142988, 775780406, 1551560812, 5042572639, 10085145278, 20170290556]

約数ペア:

[(1, 20170290556), (2, 10085145278), (4, 5042572639), (13, 1551560812), (26, 775780406), (37, 545142988), (52, 387890203), (74, 272571494), (139, 145110004), (148, 136285747), (199, 101358244), (278, 72555002), (379, 53219764), (398, 50679122), (481, 41934076), (556, 36277501), (758, 26609882), (796, 25339561), (962, 20967038), (1516, 13304941), (1807, 11162308), (1924, 10483519), (2587, 7796788), (3614, 5581154), (4927, 4093828), (5143, 3921892), (5174, 3898394), (7228, 2790577), (7363, 2739412), (9854, 2046914), (10286, 1960946), (10348, 1949197), (14023, 1438372), (14726, 1369706), (19708, 1023457), (20572, 980473), (27661, 729196), (28046, 719186), (29452, 684853), (52681, 382876), (55322, 364598), (56092, 359593), (66859, 301684), (75421, 267436), (95719, 210724), (105362, 191438), (110644, 182299), (133718, 150842)]