20996912144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2728289}}^1$

素因数の和:2728347

約数の個数: 40

約数和(自身を含む): 44994958680

約数和(自身を除く): 23998046536

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 2728289, 5456578, 10913156, 21826312, 35467757, 43652624, 70935514, 100946693, 141871028, 201893386, 283742056, 403786772, 567484112, 807573544, 1312307009, 1615147088, 2624614018, 5249228036, 10498456072, 20996912144]

約数ペア:

[(1, 20996912144), (2, 10498456072), (4, 5249228036), (8, 2624614018), (13, 1615147088), (16, 1312307009), (26, 807573544), (37, 567484112), (52, 403786772), (74, 283742056), (104, 201893386), (148, 141871028), (208, 100946693), (296, 70935514), (481, 43652624), (592, 35467757), (962, 21826312), (1924, 10913156), (3848, 5456578), (7696, 2728289)]