20986500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:862

約数の個数: 96

約数和(自身を含む): 64786176

約数和(自身を除く): 43799676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 125, 150, 170, 204, 250, 255, 300, 340, 375, 425, 500, 510, 750, 823, 850, 1020, 1275, 1500, 1646, 1700, 2125, 2469, 2550, 3292, 4115, 4250, 4938, 5100, 6375, 8230, 8500, 9876, 12345, 12750, 13991, 16460, 20575, 24690, 25500, 27982, 41150, 41973, 49380, 55964, 61725, 69955, 82300, 83946, 102875, 123450, 139910, 167892, 205750, 209865, 246900, 279820, 308625, 349775, 411500, 419730, 617250, 699550, 839460, 1049325, 1234500, 1399100, 1748875, 2098650, 3497750, 4197300, 5246625, 6995500, 10493250, 20986500]

約数ペア:

[(1, 20986500), (2, 10493250), (3, 6995500), (4, 5246625), (5, 4197300), (6, 3497750), (10, 2098650), (12, 1748875), (15, 1399100), (17, 1234500), (20, 1049325), (25, 839460), (30, 699550), (34, 617250), (50, 419730), (51, 411500), (60, 349775), (68, 308625), (75, 279820), (85, 246900), (100, 209865), (102, 205750), (125, 167892), (150, 139910), (170, 123450), (204, 102875), (250, 83946), (255, 82300), (300, 69955), (340, 61725), (375, 55964), (425, 49380), (500, 41973), (510, 41150), (750, 27982), (823, 25500), (850, 24690), (1020, 20575), (1275, 16460), (1500, 13991), (1646, 12750), (1700, 12345), (2125, 9876), (2469, 8500), (2550, 8230), (3292, 6375), (4115, 5100), (4250, 4938)]