20565750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1613}}^1$

素因数の和:1650

約数の個数: 64

約数和(自身を含む): 54385344

約数和(自身を除く): 33819594

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 1613, 2125, 2550, 3226, 4250, 4839, 6375, 8065, 9678, 12750, 16130, 24195, 27421, 40325, 48390, 54842, 80650, 82263, 120975, 137105, 164526, 201625, 241950, 274210, 403250, 411315, 604875, 685525, 822630, 1209750, 1371050, 2056575, 3427625, 4113150, 6855250, 10282875, 20565750]

約数ペア:

[(1, 20565750), (2, 10282875), (3, 6855250), (5, 4113150), (6, 3427625), (10, 2056575), (15, 1371050), (17, 1209750), (25, 822630), (30, 685525), (34, 604875), (50, 411315), (51, 403250), (75, 274210), (85, 241950), (102, 201625), (125, 164526), (150, 137105), (170, 120975), (250, 82263), (255, 80650), (375, 54842), (425, 48390), (510, 40325), (750, 27421), (850, 24195), (1275, 16130), (1613, 12750), (2125, 9678), (2550, 8065), (3226, 6375), (4250, 4839)]