20203080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8861}}^1$

素因数の和:8894

約数の個数: 64

約数和(自身を含む): 63806400

約数和(自身を除く): 43603320

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, 8861, 17722, 26583, 35444, 44305, 53166, 70888, 88610, 106332, 132915, 168359, 177220, 212664, 265830, 336718, 354440, 505077, 531660, 673436, 841795, 1010154, 1063320, 1346872, 1683590, 2020308, 2525385, 3367180, 4040616, 5050770, 6734360, 10101540, 20203080]

約数ペア:

[(1, 20203080), (2, 10101540), (3, 6734360), (4, 5050770), (5, 4040616), (6, 3367180), (8, 2525385), (10, 2020308), (12, 1683590), (15, 1346872), (19, 1063320), (20, 1010154), (24, 841795), (30, 673436), (38, 531660), (40, 505077), (57, 354440), (60, 336718), (76, 265830), (95, 212664), (114, 177220), (120, 168359), (152, 132915), (190, 106332), (228, 88610), (285, 70888), (380, 53166), (456, 44305), (570, 35444), (760, 26583), (1140, 17722), (2280, 8861)]