20044073380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1\times {\mathrm{977}}^1$

素因数の和:1813

約数の個数: 96

約数和(自身を含む): 45213831936

約数和(自身を除く): 25169758556

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 727, 830, 977, 1411, 1454, 1660, 1954, 2822, 2908, 3635, 3908, 4885, 5644, 7055, 7270, 9770, 12359, 14110, 14540, 16609, 19540, 24718, 28220, 33218, 49436, 60341, 61795, 66436, 81091, 83045, 120682, 123590, 162182, 166090, 241364, 247180, 301705, 324364, 332180, 405455, 603410, 710279, 810910, 1025797, 1206820, 1378547, 1420558, 1621820, 2051594, 2757094, 2841116, 3551395, 4103188, 5128985, 5514188, 6892735, 7102790, 10257970, 12074743, 13785470, 14205580, 20515940, 24149486, 27570940, 48298972, 58953157, 60373715, 117906314, 120747430, 235812628, 241494860, 294765785, 589531570, 1002203669, 1179063140, 2004407338, 4008814676, 5011018345, 10022036690, 20044073380]

約数ペア:

[(1, 20044073380), (2, 10022036690), (4, 5011018345), (5, 4008814676), (10, 2004407338), (17, 1179063140), (20, 1002203669), (34, 589531570), (68, 294765785), (83, 241494860), (85, 235812628), (166, 120747430), (170, 117906314), (332, 60373715), (340, 58953157), (415, 48298972), (727, 27570940), (830, 24149486), (977, 20515940), (1411, 14205580), (1454, 13785470), (1660, 12074743), (1954, 10257970), (2822, 7102790), (2908, 6892735), (3635, 5514188), (3908, 5128985), (4885, 4103188), (5644, 3551395), (7055, 2841116), (7270, 2757094), (9770, 2051594), (12359, 1621820), (14110, 1420558), (14540, 1378547), (16609, 1206820), (19540, 1025797), (24718, 810910), (28220, 710279), (33218, 603410), (49436, 405455), (60341, 332180), (61795, 324364), (66436, 301705), (81091, 247180), (83045, 241364), (120682, 166090), (123590, 162182)]