20478210090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2311}}^1\times {\mathrm{22721}}^1$

素因数の和:25055

約数の個数: 64

約数和(自身を含む): 52953530112

約数和(自身を除く): 32475320022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 2311, 4622, 6933, 11555, 13866, 22721, 23110, 30043, 34665, 45442, 60086, 68163, 69330, 90129, 113605, 136326, 150215, 180258, 227210, 295373, 300430, 340815, 450645, 590746, 681630, 886119, 901290, 1476865, 1772238, 2953730, 4430595, 8861190, 52508231, 105016462, 157524693, 262541155, 315049386, 525082310, 682607003, 787623465, 1365214006, 1575246930, 2047821009, 3413035015, 4095642018, 6826070030, 10239105045, 20478210090]

約数ペア:

[(1, 20478210090), (2, 10239105045), (3, 6826070030), (5, 4095642018), (6, 3413035015), (10, 2047821009), (13, 1575246930), (15, 1365214006), (26, 787623465), (30, 682607003), (39, 525082310), (65, 315049386), (78, 262541155), (130, 157524693), (195, 105016462), (390, 52508231), (2311, 8861190), (4622, 4430595), (6933, 2953730), (11555, 1772238), (13866, 1476865), (22721, 901290), (23110, 886119), (30043, 681630), (34665, 590746), (45442, 450645), (60086, 340815), (68163, 300430), (69330, 295373), (90129, 227210), (113605, 180258), (136326, 150215)]