20508169800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{644911}}^1$

素因数の和:644983

約数の個数: 96

約数和(自身を含む): 64774961280

約数和(自身を除く): 44266791480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 150, 159, 200, 212, 265, 300, 318, 424, 530, 600, 636, 795, 1060, 1272, 1325, 1590, 2120, 2650, 3180, 3975, 5300, 6360, 7950, 10600, 15900, 31800, 644911, 1289822, 1934733, 2579644, 3224555, 3869466, 5159288, 6449110, 7738932, 9673665, 12898220, 15477864, 16122775, 19347330, 25796440, 32245550, 34180283, 38694660, 48368325, 64491100, 68360566, 77389320, 96736650, 102540849, 128982200, 136721132, 170901415, 193473300, 205081698, 273442264, 341802830, 386946600, 410163396, 512704245, 683605660, 820326792, 854507075, 1025408490, 1367211320, 1709014150, 2050816980, 2563521225, 3418028300, 4101633960, 5127042450, 6836056600, 10254084900, 20508169800]

約数ペア:

[(1, 20508169800), (2, 10254084900), (3, 6836056600), (4, 5127042450), (5, 4101633960), (6, 3418028300), (8, 2563521225), (10, 2050816980), (12, 1709014150), (15, 1367211320), (20, 1025408490), (24, 854507075), (25, 820326792), (30, 683605660), (40, 512704245), (50, 410163396), (53, 386946600), (60, 341802830), (75, 273442264), (100, 205081698), (106, 193473300), (120, 170901415), (150, 136721132), (159, 128982200), (200, 102540849), (212, 96736650), (265, 77389320), (300, 68360566), (318, 64491100), (424, 48368325), (530, 38694660), (600, 34180283), (636, 32245550), (795, 25796440), (1060, 19347330), (1272, 16122775), (1325, 15477864), (1590, 12898220), (2120, 9673665), (2650, 7738932), (3180, 6449110), (3975, 5159288), (5300, 3869466), (6360, 3224555), (7950, 2579644), (10600, 1934733), (15900, 1289822), (31800, 644911)]