20617600

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 54070200

約数和(自身を除く): 33452600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 272, 320, 340, 379, 400, 425, 544, 640, 680, 758, 800, 850, 1088, 1360, 1516, 1600, 1700, 1895, 2176, 2720, 3032, 3200, 3400, 3790, 5440, 6064, 6443, 6800, 7580, 9475, 10880, 12128, 12886, 13600, 15160, 18950, 24256, 25772, 27200, 30320, 32215, 37900, 48512, 51544, 54400, 60640, 64430, 75800, 103088, 121280, 128860, 151600, 161075, 206176, 242560, 257720, 303200, 322150, 412352, 515440, 606400, 644300, 824704, 1030880, 1212800, 1288600, 2061760, 2577200, 4123520, 5154400, 10308800, 20617600]

約数ペア:

[(1, 20617600), (2, 10308800), (4, 5154400), (5, 4123520), (8, 2577200), (10, 2061760), (16, 1288600), (17, 1212800), (20, 1030880), (25, 824704), (32, 644300), (34, 606400), (40, 515440), (50, 412352), (64, 322150), (68, 303200), (80, 257720), (85, 242560), (100, 206176), (128, 161075), (136, 151600), (160, 128860), (170, 121280), (200, 103088), (272, 75800), (320, 64430), (340, 60640), (379, 54400), (400, 51544), (425, 48512), (544, 37900), (640, 32215), (680, 30320), (758, 27200), (800, 25772), (850, 24256), (1088, 18950), (1360, 15160), (1516, 13600), (1600, 12886), (1700, 12128), (1895, 10880), (2176, 9475), (2720, 7580), (3032, 6800), (3200, 6443), (3400, 6064), (3790, 5440)]