20310899280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12089821}}^1$

素因数の和:12089844

約数の個数: 80

約数和(自身を含む): 71958620544

約数和(自身を除く): 51647721264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12089821, 24179642, 36269463, 48359284, 60449105, 72538926, 84628747, 96718568, 120898210, 145077852, 169257494, 181347315, 193437136, 241796420, 253886241, 290155704, 338514988, 362694630, 423143735, 483592840, 507772482, 580311408, 677029976, 725389260, 846287470, 967185680, 1015544964, 1269431205, 1354059952, 1450778520, 1692574940, 2031089928, 2538862410, 2901557040, 3385149880, 4062179856, 5077724820, 6770299760, 10155449640, 20310899280]

約数ペア:

[(1, 20310899280), (2, 10155449640), (3, 6770299760), (4, 5077724820), (5, 4062179856), (6, 3385149880), (7, 2901557040), (8, 2538862410), (10, 2031089928), (12, 1692574940), (14, 1450778520), (15, 1354059952), (16, 1269431205), (20, 1015544964), (21, 967185680), (24, 846287470), (28, 725389260), (30, 677029976), (35, 580311408), (40, 507772482), (42, 483592840), (48, 423143735), (56, 362694630), (60, 338514988), (70, 290155704), (80, 253886241), (84, 241796420), (105, 193437136), (112, 181347315), (120, 169257494), (140, 145077852), (168, 120898210), (210, 96718568), (240, 84628747), (280, 72538926), (336, 60449105), (420, 48359284), (560, 36269463), (840, 24179642), (1680, 12089821)]