20345600

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:71

約数の個数: 162

約数和(自身を含む): 58358244

約数和(自身を除く): 38012644

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 32, 34, 40, 44, 50, 55, 64, 68, 80, 85, 88, 100, 110, 128, 136, 160, 170, 176, 187, 200, 220, 256, 272, 275, 289, 320, 340, 352, 374, 400, 425, 440, 544, 550, 578, 640, 680, 704, 748, 800, 850, 880, 935, 1088, 1100, 1156, 1280, 1360, 1408, 1445, 1496, 1600, 1700, 1760, 1870, 2176, 2200, 2312, 2720, 2816, 2890, 2992, 3179, 3200, 3400, 3520, 3740, 4352, 4400, 4624, 4675, 5440, 5780, 5984, 6358, 6400, 6800, 7040, 7225, 7480, 8800, 9248, 9350, 10880, 11560, 11968, 12716, 13600, 14080, 14450, 14960, 15895, 17600, 18496, 18700, 21760, 23120, 23936, 25432, 27200, 28900, 29920, 31790, 35200, 36992, 37400, 46240, 47872, 50864, 54400, 57800, 59840, 63580, 70400, 73984, 74800, 79475, 92480, 101728, 108800, 115600, 119680, 127160, 149600, 158950, 184960, 203456, 231200, 239360, 254320, 299200, 317900, 369920, 406912, 462400, 508640, 598400, 635800, 813824, 924800, 1017280, 1196800, 1271600, 1849600, 2034560, 2543200, 4069120, 5086400, 10172800, 20345600]

約数ペア:

[(1, 20345600), (2, 10172800), (4, 5086400), (5, 4069120), (8, 2543200), (10, 2034560), (11, 1849600), (16, 1271600), (17, 1196800), (20, 1017280), (22, 924800), (25, 813824), (32, 635800), (34, 598400), (40, 508640), (44, 462400), (50, 406912), (55, 369920), (64, 317900), (68, 299200), (80, 254320), (85, 239360), (88, 231200), (100, 203456), (110, 184960), (128, 158950), (136, 149600), (160, 127160), (170, 119680), (176, 115600), (187, 108800), (200, 101728), (220, 92480), (256, 79475), (272, 74800), (275, 73984), (289, 70400), (320, 63580), (340, 59840), (352, 57800), (374, 54400), (400, 50864), (425, 47872), (440, 46240), (544, 37400), (550, 36992), (578, 35200), (640, 31790), (680, 29920), (704, 28900), (748, 27200), (800, 25432), (850, 23936), (880, 23120), (935, 21760), (1088, 18700), (1100, 18496), (1156, 17600), (1280, 15895), (1360, 14960), (1408, 14450), (1445, 14080), (1496, 13600), (1600, 12716), (1700, 11968), (1760, 11560), (1870, 10880), (2176, 9350), (2200, 9248), (2312, 8800), (2720, 7480), (2816, 7225), (2890, 7040), (2992, 6800), (3179, 6400), (3200, 6358), (3400, 5984), (3520, 5780), (3740, 5440), (4352, 4675), (4400, 4624)]