20211098560

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{2113}}^1$

素因数の和:2622

約数の個数: 112

約数和(自身を含む): 48944613312

約数和(自身を除く): 28733514752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 421, 568, 710, 842, 1136, 1420, 1684, 2105, 2113, 2272, 2840, 3368, 4210, 4226, 4544, 5680, 6736, 8420, 8452, 10565, 11360, 13472, 16840, 16904, 21130, 22720, 26944, 29891, 33680, 33808, 42260, 59782, 67360, 67616, 84520, 119564, 134720, 135232, 149455, 150023, 169040, 239128, 298910, 300046, 338080, 478256, 597820, 600092, 676160, 750115, 889573, 956512, 1195640, 1200184, 1500230, 1779146, 1913024, 2391280, 2400368, 3000460, 3558292, 4447865, 4782560, 4800736, 6000920, 7116584, 8895730, 9565120, 9601472, 12001840, 14233168, 17791460, 24003680, 28466336, 35582920, 48007360, 56932672, 63159683, 71165840, 126319366, 142331680, 252638732, 284663360, 315798415, 505277464, 631596830, 1010554928, 1263193660, 2021109856, 2526387320, 4042219712, 5052774640, 10105549280, 20211098560]

約数ペア:

[(1, 20211098560), (2, 10105549280), (4, 5052774640), (5, 4042219712), (8, 2526387320), (10, 2021109856), (16, 1263193660), (20, 1010554928), (32, 631596830), (40, 505277464), (64, 315798415), (71, 284663360), (80, 252638732), (142, 142331680), (160, 126319366), (284, 71165840), (320, 63159683), (355, 56932672), (421, 48007360), (568, 35582920), (710, 28466336), (842, 24003680), (1136, 17791460), (1420, 14233168), (1684, 12001840), (2105, 9601472), (2113, 9565120), (2272, 8895730), (2840, 7116584), (3368, 6000920), (4210, 4800736), (4226, 4782560), (4544, 4447865), (5680, 3558292), (6736, 3000460), (8420, 2400368), (8452, 2391280), (10565, 1913024), (11360, 1779146), (13472, 1500230), (16840, 1200184), (16904, 1195640), (21130, 956512), (22720, 889573), (26944, 750115), (29891, 676160), (33680, 600092), (33808, 597820), (42260, 478256), (59782, 338080), (67360, 300046), (67616, 298910), (84520, 239128), (119564, 169040), (134720, 150023), (135232, 149455)]