19973640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9791}}^1$

素因数の和:9822

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 43478520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9791, 19582, 29373, 39164, 48955, 58746, 78328, 97910, 117492, 146865, 166447, 195820, 234984, 293730, 332894, 391640, 499341, 587460, 665788, 832235, 998682, 1174920, 1331576, 1664470, 1997364, 2496705, 3328940, 3994728, 4993410, 6657880, 9986820, 19973640]

約数ペア:

[(1, 19973640), (2, 9986820), (3, 6657880), (4, 4993410), (5, 3994728), (6, 3328940), (8, 2496705), (10, 1997364), (12, 1664470), (15, 1331576), (17, 1174920), (20, 998682), (24, 832235), (30, 665788), (34, 587460), (40, 499341), (51, 391640), (60, 332894), (68, 293730), (85, 234984), (102, 195820), (120, 166447), (136, 146865), (170, 117492), (204, 97910), (255, 78328), (340, 58746), (408, 48955), (510, 39164), (680, 29373), (1020, 19582), (2040, 9791)]