20285250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 128

約数和(自身を含む): 56339712

約数和(自身を除く): 36054462

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 37, 43, 50, 51, 74, 75, 85, 86, 102, 111, 125, 129, 150, 170, 185, 215, 222, 250, 255, 258, 370, 375, 425, 430, 510, 555, 629, 645, 731, 750, 850, 925, 1075, 1110, 1258, 1275, 1290, 1462, 1591, 1850, 1887, 2125, 2150, 2193, 2550, 2775, 3145, 3182, 3225, 3655, 3774, 4250, 4386, 4625, 4773, 5375, 5550, 6290, 6375, 6450, 7310, 7955, 9250, 9435, 9546, 10750, 10965, 12750, 13875, 15725, 15910, 16125, 18275, 18870, 21930, 23865, 27047, 27750, 31450, 32250, 36550, 39775, 47175, 47730, 54094, 54825, 78625, 79550, 81141, 91375, 94350, 109650, 119325, 135235, 157250, 162282, 182750, 198875, 235875, 238650, 270470, 274125, 397750, 405705, 471750, 548250, 596625, 676175, 811410, 1193250, 1352350, 2028525, 3380875, 4057050, 6761750, 10142625, 20285250]

約数ペア:

[(1, 20285250), (2, 10142625), (3, 6761750), (5, 4057050), (6, 3380875), (10, 2028525), (15, 1352350), (17, 1193250), (25, 811410), (30, 676175), (34, 596625), (37, 548250), (43, 471750), (50, 405705), (51, 397750), (74, 274125), (75, 270470), (85, 238650), (86, 235875), (102, 198875), (111, 182750), (125, 162282), (129, 157250), (150, 135235), (170, 119325), (185, 109650), (215, 94350), (222, 91375), (250, 81141), (255, 79550), (258, 78625), (370, 54825), (375, 54094), (425, 47730), (430, 47175), (510, 39775), (555, 36550), (629, 32250), (645, 31450), (731, 27750), (750, 27047), (850, 23865), (925, 21930), (1075, 18870), (1110, 18275), (1258, 16125), (1275, 15910), (1290, 15725), (1462, 13875), (1591, 12750), (1850, 10965), (1887, 10750), (2125, 9546), (2150, 9435), (2193, 9250), (2550, 7955), (2775, 7310), (3145, 6450), (3182, 6375), (3225, 6290), (3655, 5550), (3774, 5375), (4250, 4773), (4386, 4625)]