20366850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 62594208

約数和(自身を除く): 42227358

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 49, 50, 51, 70, 75, 85, 98, 102, 105, 119, 147, 150, 163, 170, 175, 210, 238, 245, 255, 294, 326, 350, 357, 425, 489, 490, 510, 525, 595, 714, 735, 815, 833, 850, 978, 1050, 1141, 1190, 1225, 1275, 1470, 1630, 1666, 1785, 2282, 2445, 2450, 2499, 2550, 2771, 2975, 3423, 3570, 3675, 4075, 4165, 4890, 4998, 5542, 5705, 5950, 6846, 7350, 7987, 8150, 8313, 8330, 8925, 11410, 12225, 12495, 13855, 15974, 16626, 17115, 17850, 19397, 20825, 23961, 24450, 24990, 27710, 28525, 34230, 38794, 39935, 41565, 41650, 47922, 57050, 58191, 62475, 69275, 79870, 83130, 85575, 96985, 116382, 119805, 124950, 135779, 138550, 171150, 193970, 199675, 207825, 239610, 271558, 290955, 399350, 407337, 415650, 484925, 581910, 599025, 678895, 814674, 969850, 1198050, 1357790, 1454775, 2036685, 2909550, 3394475, 4073370, 6788950, 10183425, 20366850]

約数ペア:

[(1, 20366850), (2, 10183425), (3, 6788950), (5, 4073370), (6, 3394475), (7, 2909550), (10, 2036685), (14, 1454775), (15, 1357790), (17, 1198050), (21, 969850), (25, 814674), (30, 678895), (34, 599025), (35, 581910), (42, 484925), (49, 415650), (50, 407337), (51, 399350), (70, 290955), (75, 271558), (85, 239610), (98, 207825), (102, 199675), (105, 193970), (119, 171150), (147, 138550), (150, 135779), (163, 124950), (170, 119805), (175, 116382), (210, 96985), (238, 85575), (245, 83130), (255, 79870), (294, 69275), (326, 62475), (350, 58191), (357, 57050), (425, 47922), (489, 41650), (490, 41565), (510, 39935), (525, 38794), (595, 34230), (714, 28525), (735, 27710), (815, 24990), (833, 24450), (850, 23961), (978, 20825), (1050, 19397), (1141, 17850), (1190, 17115), (1225, 16626), (1275, 15974), (1470, 13855), (1630, 12495), (1666, 12225), (1785, 11410), (2282, 8925), (2445, 8330), (2450, 8313), (2499, 8150), (2550, 7987), (2771, 7350), (2975, 6846), (3423, 5950), (3570, 5705), (3675, 5542), (4075, 4998), (4165, 4890)]