2020702040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{21803}}^1$

素因数の和:22152

約数の個数: 64

約数和(自身を含む): 5212028160

約数和(自身を除く): 3191326120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 1324, 1655, 2317, 2648, 3310, 4634, 6620, 9268, 11585, 13240, 18536, 21803, 23170, 43606, 46340, 87212, 92680, 109015, 152621, 174424, 218030, 305242, 436060, 610484, 763105, 872120, 1220968, 1526210, 3052420, 6104840, 7216793, 14433586, 28867172, 36083965, 50517551, 57734344, 72167930, 101035102, 144335860, 202070204, 252587755, 288671720, 404140408, 505175510, 1010351020, 2020702040]

約数ペア:

[(1, 2020702040), (2, 1010351020), (4, 505175510), (5, 404140408), (7, 288671720), (8, 252587755), (10, 202070204), (14, 144335860), (20, 101035102), (28, 72167930), (35, 57734344), (40, 50517551), (56, 36083965), (70, 28867172), (140, 14433586), (280, 7216793), (331, 6104840), (662, 3052420), (1324, 1526210), (1655, 1220968), (2317, 872120), (2648, 763105), (3310, 610484), (4634, 436060), (6620, 305242), (9268, 218030), (11585, 174424), (13240, 152621), (18536, 109015), (21803, 92680), (23170, 87212), (43606, 46340)]