20645550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 58433760

約数和(自身を除く): 37788210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 41, 45, 50, 54, 75, 82, 90, 123, 135, 150, 205, 225, 246, 270, 369, 373, 410, 450, 615, 675, 738, 746, 1025, 1107, 1119, 1230, 1350, 1845, 1865, 2050, 2214, 2238, 3075, 3357, 3690, 3730, 5535, 5595, 6150, 6714, 9225, 9325, 10071, 11070, 11190, 15293, 16785, 18450, 18650, 20142, 27675, 27975, 30586, 33570, 45879, 50355, 55350, 55950, 76465, 83925, 91758, 100710, 137637, 152930, 167850, 229395, 251775, 275274, 382325, 412911, 458790, 503550, 688185, 764650, 825822, 1146975, 1376370, 2064555, 2293950, 3440925, 4129110, 6881850, 10322775, 20645550]

約数ペア:

[(1, 20645550), (2, 10322775), (3, 6881850), (5, 4129110), (6, 3440925), (9, 2293950), (10, 2064555), (15, 1376370), (18, 1146975), (25, 825822), (27, 764650), (30, 688185), (41, 503550), (45, 458790), (50, 412911), (54, 382325), (75, 275274), (82, 251775), (90, 229395), (123, 167850), (135, 152930), (150, 137637), (205, 100710), (225, 91758), (246, 83925), (270, 76465), (369, 55950), (373, 55350), (410, 50355), (450, 45879), (615, 33570), (675, 30586), (738, 27975), (746, 27675), (1025, 20142), (1107, 18650), (1119, 18450), (1230, 16785), (1350, 15293), (1845, 11190), (1865, 11070), (2050, 10071), (2214, 9325), (2238, 9225), (3075, 6714), (3357, 6150), (3690, 5595), (3730, 5535)]