20823210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 55935360

約数和(自身を除く): 35112150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 233, 270, 331, 466, 662, 699, 993, 1165, 1398, 1655, 1986, 2097, 2330, 2979, 3310, 3495, 4194, 4965, 5958, 6291, 6990, 8937, 9930, 10485, 12582, 14895, 17874, 20970, 29790, 31455, 44685, 62910, 77123, 89370, 154246, 231369, 385615, 462738, 694107, 771230, 1156845, 1388214, 2082321, 2313690, 3470535, 4164642, 6941070, 10411605, 20823210]

約数ペア:

[(1, 20823210), (2, 10411605), (3, 6941070), (5, 4164642), (6, 3470535), (9, 2313690), (10, 2082321), (15, 1388214), (18, 1156845), (27, 771230), (30, 694107), (45, 462738), (54, 385615), (90, 231369), (135, 154246), (233, 89370), (270, 77123), (331, 62910), (466, 44685), (662, 31455), (699, 29790), (993, 20970), (1165, 17874), (1398, 14895), (1655, 12582), (1986, 10485), (2097, 9930), (2330, 8937), (2979, 6990), (3310, 6291), (3495, 5958), (4194, 4965)]