20903200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 56949480

約数和(自身を除く): 36046280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 32, 34, 40, 50, 53, 58, 68, 80, 85, 100, 106, 116, 136, 145, 160, 170, 200, 212, 232, 265, 272, 290, 340, 400, 424, 425, 464, 493, 530, 544, 580, 680, 725, 800, 848, 850, 901, 928, 986, 1060, 1160, 1325, 1360, 1450, 1537, 1696, 1700, 1802, 1972, 2120, 2320, 2465, 2650, 2720, 2900, 3074, 3400, 3604, 3944, 4240, 4505, 4640, 4930, 5300, 5800, 6148, 6800, 7208, 7685, 7888, 8480, 9010, 9860, 10600, 11600, 12296, 12325, 13600, 14416, 15370, 15776, 18020, 19720, 21200, 22525, 23200, 24592, 24650, 26129, 28832, 30740, 36040, 38425, 39440, 42400, 45050, 49184, 49300, 52258, 61480, 72080, 76850, 78880, 90100, 98600, 104516, 122960, 130645, 144160, 153700, 180200, 197200, 209032, 245920, 261290, 307400, 360400, 394400, 418064, 522580, 614800, 653225, 720800, 836128, 1045160, 1229600, 1306450, 2090320, 2612900, 4180640, 5225800, 10451600, 20903200]

約数ペア:

[(1, 20903200), (2, 10451600), (4, 5225800), (5, 4180640), (8, 2612900), (10, 2090320), (16, 1306450), (17, 1229600), (20, 1045160), (25, 836128), (29, 720800), (32, 653225), (34, 614800), (40, 522580), (50, 418064), (53, 394400), (58, 360400), (68, 307400), (80, 261290), (85, 245920), (100, 209032), (106, 197200), (116, 180200), (136, 153700), (145, 144160), (160, 130645), (170, 122960), (200, 104516), (212, 98600), (232, 90100), (265, 78880), (272, 76850), (290, 72080), (340, 61480), (400, 52258), (424, 49300), (425, 49184), (464, 45050), (493, 42400), (530, 39440), (544, 38425), (580, 36040), (680, 30740), (725, 28832), (800, 26129), (848, 24650), (850, 24592), (901, 23200), (928, 22525), (986, 21200), (1060, 19720), (1160, 18020), (1325, 15776), (1360, 15370), (1450, 14416), (1537, 13600), (1696, 12325), (1700, 12296), (1802, 11600), (1972, 10600), (2120, 9860), (2320, 9010), (2465, 8480), (2650, 7888), (2720, 7685), (2900, 7208), (3074, 6800), (3400, 6148), (3604, 5800), (3944, 5300), (4240, 4930), (4505, 4640)]