20641350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 55425024

約数和(自身を除く): 34783674

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 31, 46, 50, 62, 69, 75, 93, 115, 138, 150, 155, 186, 193, 230, 310, 345, 386, 465, 575, 579, 690, 713, 775, 930, 965, 1150, 1158, 1426, 1550, 1725, 1930, 2139, 2325, 2895, 3450, 3565, 4278, 4439, 4650, 4825, 5790, 5983, 7130, 8878, 9650, 10695, 11966, 13317, 14475, 17825, 17949, 21390, 22195, 26634, 28950, 29915, 35650, 35898, 44390, 53475, 59830, 66585, 89745, 106950, 110975, 133170, 137609, 149575, 179490, 221950, 275218, 299150, 332925, 412827, 448725, 665850, 688045, 825654, 897450, 1376090, 2064135, 3440225, 4128270, 6880450, 10320675, 20641350]

約数ペア:

[(1, 20641350), (2, 10320675), (3, 6880450), (5, 4128270), (6, 3440225), (10, 2064135), (15, 1376090), (23, 897450), (25, 825654), (30, 688045), (31, 665850), (46, 448725), (50, 412827), (62, 332925), (69, 299150), (75, 275218), (93, 221950), (115, 179490), (138, 149575), (150, 137609), (155, 133170), (186, 110975), (193, 106950), (230, 89745), (310, 66585), (345, 59830), (386, 53475), (465, 44390), (575, 35898), (579, 35650), (690, 29915), (713, 28950), (775, 26634), (930, 22195), (965, 21390), (1150, 17949), (1158, 17825), (1426, 14475), (1550, 13317), (1725, 11966), (1930, 10695), (2139, 9650), (2325, 8878), (2895, 7130), (3450, 5983), (3565, 5790), (4278, 4825), (4439, 4650)]