20973715920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29130161}}^1$

素因数の和:29130180

約数の個数: 60

約数和(自身を含む): 70436731716

約数和(自身を除く): 49463015796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29130161, 58260322, 87390483, 116520644, 145650805, 174780966, 233041288, 262171449, 291301610, 349561932, 436952415, 466082576, 524342898, 582603220, 699123864, 873904830, 1048685796, 1165206440, 1310857245, 1398247728, 1747809660, 2097371592, 2330412880, 2621714490, 3495619320, 4194743184, 5243428980, 6991238640, 10486857960, 20973715920]

約数ペア:

[(1, 20973715920), (2, 10486857960), (3, 6991238640), (4, 5243428980), (5, 4194743184), (6, 3495619320), (8, 2621714490), (9, 2330412880), (10, 2097371592), (12, 1747809660), (15, 1398247728), (16, 1310857245), (18, 1165206440), (20, 1048685796), (24, 873904830), (30, 699123864), (36, 582603220), (40, 524342898), (45, 466082576), (48, 436952415), (60, 349561932), (72, 291301610), (80, 262171449), (90, 233041288), (120, 174780966), (144, 145650805), (180, 116520644), (240, 87390483), (360, 58260322), (720, 29130161)]