20321796750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{38543}}^1$

素因数の和:38619

約数の個数: 128

約数和(自身を含む): 54837319680

約数和(自身を除く): 34515522930

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 37, 38, 50, 57, 74, 75, 95, 111, 114, 125, 150, 185, 190, 222, 250, 285, 370, 375, 475, 555, 570, 703, 750, 925, 950, 1110, 1406, 1425, 1850, 2109, 2375, 2775, 2850, 3515, 4218, 4625, 4750, 5550, 7030, 7125, 9250, 10545, 13875, 14250, 17575, 21090, 27750, 35150, 38543, 52725, 77086, 87875, 105450, 115629, 175750, 192715, 231258, 263625, 385430, 527250, 578145, 732317, 963575, 1156290, 1426091, 1464634, 1927150, 2196951, 2852182, 2890725, 3661585, 4278273, 4393902, 4817875, 5781450, 7130455, 7323170, 8556546, 9635750, 10984755, 14260910, 14453625, 18307925, 21391365, 21969510, 27095729, 28907250, 35652275, 36615850, 42782730, 54191458, 54923775, 71304550, 81287187, 91539625, 106956825, 109847550, 135478645, 162574374, 178261375, 183079250, 213913650, 270957290, 274618875, 356522750, 406435935, 534784125, 549237750, 677393225, 812871870, 1069568250, 1354786450, 2032179675, 3386966125, 4064359350, 6773932250, 10160898375, 20321796750]

約数ペア:

[(1, 20321796750), (2, 10160898375), (3, 6773932250), (5, 4064359350), (6, 3386966125), (10, 2032179675), (15, 1354786450), (19, 1069568250), (25, 812871870), (30, 677393225), (37, 549237750), (38, 534784125), (50, 406435935), (57, 356522750), (74, 274618875), (75, 270957290), (95, 213913650), (111, 183079250), (114, 178261375), (125, 162574374), (150, 135478645), (185, 109847550), (190, 106956825), (222, 91539625), (250, 81287187), (285, 71304550), (370, 54923775), (375, 54191458), (475, 42782730), (555, 36615850), (570, 35652275), (703, 28907250), (750, 27095729), (925, 21969510), (950, 21391365), (1110, 18307925), (1406, 14453625), (1425, 14260910), (1850, 10984755), (2109, 9635750), (2375, 8556546), (2775, 7323170), (2850, 7130455), (3515, 5781450), (4218, 4817875), (4625, 4393902), (4750, 4278273), (5550, 3661585), (7030, 2890725), (7125, 2852182), (9250, 2196951), (10545, 1927150), (13875, 1464634), (14250, 1426091), (17575, 1156290), (21090, 963575), (27750, 732317), (35150, 578145), (38543, 527250), (52725, 385430), (77086, 263625), (87875, 231258), (105450, 192715), (115629, 175750)]