20007750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 59185152

約数和(自身を除く): 39177402

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 37, 42, 50, 70, 74, 75, 103, 105, 111, 125, 150, 175, 185, 206, 210, 222, 250, 259, 309, 350, 370, 375, 515, 518, 525, 555, 618, 721, 750, 777, 875, 925, 1030, 1050, 1110, 1295, 1442, 1545, 1554, 1750, 1850, 2163, 2575, 2590, 2625, 2775, 3090, 3605, 3811, 3885, 4326, 4625, 5150, 5250, 5550, 6475, 7210, 7622, 7725, 7770, 9250, 10815, 11433, 12875, 12950, 13875, 15450, 18025, 19055, 19425, 21630, 22866, 25750, 26677, 27750, 32375, 36050, 38110, 38625, 38850, 53354, 54075, 57165, 64750, 77250, 80031, 90125, 95275, 97125, 108150, 114330, 133385, 160062, 180250, 190550, 194250, 266770, 270375, 285825, 400155, 476375, 540750, 571650, 666925, 800310, 952750, 1333850, 1429125, 2000775, 2858250, 3334625, 4001550, 6669250, 10003875, 20007750]

約数ペア:

[(1, 20007750), (2, 10003875), (3, 6669250), (5, 4001550), (6, 3334625), (7, 2858250), (10, 2000775), (14, 1429125), (15, 1333850), (21, 952750), (25, 800310), (30, 666925), (35, 571650), (37, 540750), (42, 476375), (50, 400155), (70, 285825), (74, 270375), (75, 266770), (103, 194250), (105, 190550), (111, 180250), (125, 160062), (150, 133385), (175, 114330), (185, 108150), (206, 97125), (210, 95275), (222, 90125), (250, 80031), (259, 77250), (309, 64750), (350, 57165), (370, 54075), (375, 53354), (515, 38850), (518, 38625), (525, 38110), (555, 36050), (618, 32375), (721, 27750), (750, 26677), (777, 25750), (875, 22866), (925, 21630), (1030, 19425), (1050, 19055), (1110, 18025), (1295, 15450), (1442, 13875), (1545, 12950), (1554, 12875), (1750, 11433), (1850, 10815), (2163, 9250), (2575, 7770), (2590, 7725), (2625, 7622), (2775, 7210), (3090, 6475), (3605, 5550), (3811, 5250), (3885, 5150), (4326, 4625)]