20350680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3461}}^1$

素因数の和:3489

約数の個数: 96

約数和(自身を含む): 71040240

約数和(自身を除く): 50689560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3461, 5880, 6922, 10383, 13844, 17305, 20766, 24227, 27688, 34610, 41532, 48454, 51915, 69220, 72681, 83064, 96908, 103830, 121135, 138440, 145362, 169589, 193816, 207660, 242270, 290724, 339178, 363405, 415320, 484540, 508767, 581448, 678356, 726810, 847945, 969080, 1017534, 1356712, 1453620, 1695890, 2035068, 2543835, 2907240, 3391780, 4070136, 5087670, 6783560, 10175340, 20350680]

約数ペア:

[(1, 20350680), (2, 10175340), (3, 6783560), (4, 5087670), (5, 4070136), (6, 3391780), (7, 2907240), (8, 2543835), (10, 2035068), (12, 1695890), (14, 1453620), (15, 1356712), (20, 1017534), (21, 969080), (24, 847945), (28, 726810), (30, 678356), (35, 581448), (40, 508767), (42, 484540), (49, 415320), (56, 363405), (60, 339178), (70, 290724), (84, 242270), (98, 207660), (105, 193816), (120, 169589), (140, 145362), (147, 138440), (168, 121135), (196, 103830), (210, 96908), (245, 83064), (280, 72681), (294, 69220), (392, 51915), (420, 48454), (490, 41532), (588, 34610), (735, 27688), (840, 24227), (980, 20766), (1176, 17305), (1470, 13844), (1960, 10383), (2940, 6922), (3461, 5880)]