20152920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8839}}^1$

素因数の和:8872

約数の個数: 64

約数和(自身を含む): 63648000

約数和(自身を除く): 43495080

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, 8839, 17678, 26517, 35356, 44195, 53034, 70712, 88390, 106068, 132585, 167941, 176780, 212136, 265170, 335882, 353560, 503823, 530340, 671764, 839705, 1007646, 1060680, 1343528, 1679410, 2015292, 2519115, 3358820, 4030584, 5038230, 6717640, 10076460, 20152920]

約数ペア:

[(1, 20152920), (2, 10076460), (3, 6717640), (4, 5038230), (5, 4030584), (6, 3358820), (8, 2519115), (10, 2015292), (12, 1679410), (15, 1343528), (19, 1060680), (20, 1007646), (24, 839705), (30, 671764), (38, 530340), (40, 503823), (57, 353560), (60, 335882), (76, 265170), (95, 212136), (114, 176780), (120, 167941), (152, 132585), (190, 106068), (228, 88390), (285, 70712), (380, 53034), (456, 44195), (570, 35356), (760, 26517), (1140, 17678), (2280, 8839)]