20724750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 57335616

約数和(自身を除く): 36610866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 125, 150, 151, 183, 225, 250, 302, 305, 366, 375, 450, 453, 549, 610, 750, 755, 906, 915, 1098, 1125, 1359, 1510, 1525, 1830, 2250, 2265, 2718, 2745, 3050, 3775, 4530, 4575, 5490, 6795, 7550, 7625, 9150, 9211, 11325, 13590, 13725, 15250, 18422, 18875, 22650, 22875, 27450, 27633, 33975, 37750, 45750, 46055, 55266, 56625, 67950, 68625, 82899, 92110, 113250, 137250, 138165, 165798, 169875, 230275, 276330, 339750, 414495, 460550, 690825, 828990, 1151375, 1381650, 2072475, 2302750, 3454125, 4144950, 6908250, 10362375, 20724750]

約数ペア:

[(1, 20724750), (2, 10362375), (3, 6908250), (5, 4144950), (6, 3454125), (9, 2302750), (10, 2072475), (15, 1381650), (18, 1151375), (25, 828990), (30, 690825), (45, 460550), (50, 414495), (61, 339750), (75, 276330), (90, 230275), (122, 169875), (125, 165798), (150, 138165), (151, 137250), (183, 113250), (225, 92110), (250, 82899), (302, 68625), (305, 67950), (366, 56625), (375, 55266), (450, 46055), (453, 45750), (549, 37750), (610, 33975), (750, 27633), (755, 27450), (906, 22875), (915, 22650), (1098, 18875), (1125, 18422), (1359, 15250), (1510, 13725), (1525, 13590), (1830, 11325), (2250, 9211), (2265, 9150), (2718, 7625), (2745, 7550), (3050, 6795), (3775, 5490), (4530, 4575)]