20176700440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1\times {\mathrm{7793}}^1$

素因数の和:8213

約数の個数: 96

約数和(自身を含む): 49292997120

約数和(自身を除く): 29116296680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 383, 520, 676, 766, 845, 1352, 1532, 1690, 1915, 3064, 3380, 3830, 4979, 6760, 7660, 7793, 9958, 15320, 15586, 19916, 24895, 31172, 38965, 39832, 49790, 62344, 64727, 77930, 99580, 101309, 129454, 155860, 199160, 202618, 258908, 311720, 323635, 405236, 506545, 517816, 647270, 810472, 1013090, 1294540, 1317017, 2026180, 2589080, 2634034, 2984719, 4052360, 5268068, 5969438, 6585085, 10536136, 11938876, 13170170, 14923595, 23877752, 26340340, 29847190, 38801347, 52680680, 59694380, 77602694, 119388760, 155205388, 194006735, 310410776, 388013470, 504417511, 776026940, 1008835022, 1552053880, 2017670044, 2522087555, 4035340088, 5044175110, 10088350220, 20176700440]

約数ペア:

[(1, 20176700440), (2, 10088350220), (4, 5044175110), (5, 4035340088), (8, 2522087555), (10, 2017670044), (13, 1552053880), (20, 1008835022), (26, 776026940), (40, 504417511), (52, 388013470), (65, 310410776), (104, 194006735), (130, 155205388), (169, 119388760), (260, 77602694), (338, 59694380), (383, 52680680), (520, 38801347), (676, 29847190), (766, 26340340), (845, 23877752), (1352, 14923595), (1532, 13170170), (1690, 11938876), (1915, 10536136), (3064, 6585085), (3380, 5969438), (3830, 5268068), (4979, 4052360), (6760, 2984719), (7660, 2634034), (7793, 2589080), (9958, 2026180), (15320, 1317017), (15586, 1294540), (19916, 1013090), (24895, 810472), (31172, 647270), (38965, 517816), (39832, 506545), (49790, 405236), (62344, 323635), (64727, 311720), (77930, 258908), (99580, 202618), (101309, 199160), (129454, 155860)]