20131861905

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{14633}}^1$

素因数の和:14772

約数の個数: 80

約数和(自身を含む): 37397479680

約数和(自身を除く): 17265617775

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 79, 81, 129, 135, 215, 237, 387, 395, 405, 645, 711, 1161, 1185, 1935, 2133, 3397, 3483, 3555, 5805, 6399, 10191, 10665, 14633, 16985, 17415, 30573, 31995, 43899, 50955, 73165, 91719, 131697, 152865, 219495, 275157, 395091, 458595, 629219, 658485, 1156007, 1185273, 1375785, 1887657, 1975455, 3146095, 3468021, 5662971, 5780035, 5926365, 9438285, 10404063, 16988913, 17340105, 28314855, 31212189, 49708301, 50966739, 52020315, 84944565, 93636567, 149124903, 156060945, 248541505, 254833695, 447374709, 468182835, 745624515, 1342124127, 2236873545, 4026372381, 6710620635, 20131861905]

約数ペア:

[(1, 20131861905), (3, 6710620635), (5, 4026372381), (9, 2236873545), (15, 1342124127), (27, 745624515), (43, 468182835), (45, 447374709), (79, 254833695), (81, 248541505), (129, 156060945), (135, 149124903), (215, 93636567), (237, 84944565), (387, 52020315), (395, 50966739), (405, 49708301), (645, 31212189), (711, 28314855), (1161, 17340105), (1185, 16988913), (1935, 10404063), (2133, 9438285), (3397, 5926365), (3483, 5780035), (3555, 5662971), (5805, 3468021), (6399, 3146095), (10191, 1975455), (10665, 1887657), (14633, 1375785), (16985, 1185273), (17415, 1156007), (30573, 658485), (31995, 629219), (43899, 458595), (50955, 395091), (73165, 275157), (91719, 219495), (131697, 152865)]