20353060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 53851392

約数和(自身を除く): 33498332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 140, 182, 211, 212, 260, 265, 364, 371, 422, 455, 530, 689, 742, 844, 910, 1055, 1060, 1378, 1477, 1484, 1820, 1855, 2110, 2743, 2756, 2954, 3445, 3710, 4220, 4823, 5486, 5908, 6890, 7385, 7420, 9646, 10972, 11183, 13715, 13780, 14770, 19201, 19292, 22366, 24115, 27430, 29540, 38402, 44732, 48230, 54860, 55915, 76804, 78281, 96005, 96460, 111830, 145379, 156562, 192010, 223660, 290758, 313124, 384020, 391405, 581516, 726895, 782810, 1017653, 1453790, 1565620, 2035306, 2907580, 4070612, 5088265, 10176530, 20353060]

約数ペア:

[(1, 20353060), (2, 10176530), (4, 5088265), (5, 4070612), (7, 2907580), (10, 2035306), (13, 1565620), (14, 1453790), (20, 1017653), (26, 782810), (28, 726895), (35, 581516), (52, 391405), (53, 384020), (65, 313124), (70, 290758), (91, 223660), (106, 192010), (130, 156562), (140, 145379), (182, 111830), (211, 96460), (212, 96005), (260, 78281), (265, 76804), (364, 55915), (371, 54860), (422, 48230), (455, 44732), (530, 38402), (689, 29540), (742, 27430), (844, 24115), (910, 22366), (1055, 19292), (1060, 19201), (1378, 14770), (1477, 13780), (1484, 13715), (1820, 11183), (1855, 10972), (2110, 9646), (2743, 7420), (2756, 7385), (2954, 6890), (3445, 5908), (3710, 5486), (4220, 4823)]