20213045880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8865371}}^1$

素因数の和:8865404

約数の個数: 64

約数和(自身を含む): 63830678400

約数和(自身を除く): 43617632520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8865371, 17730742, 26596113, 35461484, 44326855, 53192226, 70922968, 88653710, 106384452, 132980565, 168442049, 177307420, 212768904, 265961130, 336884098, 354614840, 505326147, 531922260, 673768196, 842210245, 1010652294, 1063844520, 1347536392, 1684420490, 2021304588, 2526630735, 3368840980, 4042609176, 5053261470, 6737681960, 10106522940, 20213045880]

約数ペア:

[(1, 20213045880), (2, 10106522940), (3, 6737681960), (4, 5053261470), (5, 4042609176), (6, 3368840980), (8, 2526630735), (10, 2021304588), (12, 1684420490), (15, 1347536392), (19, 1063844520), (20, 1010652294), (24, 842210245), (30, 673768196), (38, 531922260), (40, 505326147), (57, 354614840), (60, 336884098), (76, 265961130), (95, 212768904), (114, 177307420), (120, 168442049), (152, 132980565), (190, 106384452), (228, 88653710), (285, 70922968), (380, 53192226), (456, 44326855), (570, 35461484), (760, 26596113), (1140, 17730742), (2280, 8865371)]