20312040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24181}}^1$

素因数の和:24202

約数の個数: 64

約数和(自身を含む): 69644160

約数和(自身を除く): 49332120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24181, 48362, 72543, 96724, 120905, 145086, 169267, 193448, 241810, 290172, 338534, 362715, 483620, 507801, 580344, 677068, 725430, 846335, 967240, 1015602, 1354136, 1450860, 1692670, 2031204, 2539005, 2901720, 3385340, 4062408, 5078010, 6770680, 10156020, 20312040]

約数ペア:

[(1, 20312040), (2, 10156020), (3, 6770680), (4, 5078010), (5, 4062408), (6, 3385340), (7, 2901720), (8, 2539005), (10, 2031204), (12, 1692670), (14, 1450860), (15, 1354136), (20, 1015602), (21, 967240), (24, 846335), (28, 725430), (30, 677068), (35, 580344), (40, 507801), (42, 483620), (56, 362715), (60, 338534), (70, 290172), (84, 241810), (105, 193448), (120, 169267), (140, 145086), (168, 120905), (210, 96724), (280, 72543), (420, 48362), (840, 24181)]