20326560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 70543872

約数和(自身を除く): 50217312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 47, 48, 51, 53, 60, 68, 80, 85, 94, 96, 102, 106, 120, 136, 141, 159, 160, 170, 188, 204, 212, 235, 240, 255, 265, 272, 282, 318, 340, 376, 408, 424, 470, 480, 510, 530, 544, 564, 636, 680, 705, 752, 795, 799, 816, 848, 901, 940, 1020, 1060, 1128, 1272, 1360, 1410, 1504, 1590, 1598, 1632, 1696, 1802, 1880, 2040, 2120, 2256, 2397, 2491, 2544, 2703, 2720, 2820, 3180, 3196, 3604, 3760, 3995, 4080, 4240, 4505, 4512, 4794, 4982, 5088, 5406, 5640, 6360, 6392, 7208, 7473, 7520, 7990, 8160, 8480, 9010, 9588, 9964, 10812, 11280, 11985, 12455, 12720, 12784, 13515, 14416, 14946, 15980, 18020, 19176, 19928, 21624, 22560, 23970, 24910, 25440, 25568, 27030, 28832, 29892, 31960, 36040, 37365, 38352, 39856, 42347, 43248, 47940, 49820, 54060, 59784, 63920, 72080, 74730, 76704, 79712, 84694, 86496, 95880, 99640, 108120, 119568, 127041, 127840, 144160, 149460, 169388, 191760, 199280, 211735, 216240, 239136, 254082, 298920, 338776, 383520, 398560, 423470, 432480, 508164, 597840, 635205, 677552, 846940, 1016328, 1195680, 1270410, 1355104, 1693880, 2032656, 2540820, 3387760, 4065312, 5081640, 6775520, 10163280, 20326560]

約数ペア:

[(1, 20326560), (2, 10163280), (3, 6775520), (4, 5081640), (5, 4065312), (6, 3387760), (8, 2540820), (10, 2032656), (12, 1693880), (15, 1355104), (16, 1270410), (17, 1195680), (20, 1016328), (24, 846940), (30, 677552), (32, 635205), (34, 597840), (40, 508164), (47, 432480), (48, 423470), (51, 398560), (53, 383520), (60, 338776), (68, 298920), (80, 254082), (85, 239136), (94, 216240), (96, 211735), (102, 199280), (106, 191760), (120, 169388), (136, 149460), (141, 144160), (159, 127840), (160, 127041), (170, 119568), (188, 108120), (204, 99640), (212, 95880), (235, 86496), (240, 84694), (255, 79712), (265, 76704), (272, 74730), (282, 72080), (318, 63920), (340, 59784), (376, 54060), (408, 49820), (424, 47940), (470, 43248), (480, 42347), (510, 39856), (530, 38352), (544, 37365), (564, 36040), (636, 31960), (680, 29892), (705, 28832), (752, 27030), (795, 25568), (799, 25440), (816, 24910), (848, 23970), (901, 22560), (940, 21624), (1020, 19928), (1060, 19176), (1128, 18020), (1272, 15980), (1360, 14946), (1410, 14416), (1504, 13515), (1590, 12784), (1598, 12720), (1632, 12455), (1696, 11985), (1802, 11280), (1880, 10812), (2040, 9964), (2120, 9588), (2256, 9010), (2397, 8480), (2491, 8160), (2544, 7990), (2703, 7520), (2720, 7473), (2820, 7208), (3180, 6392), (3196, 6360), (3604, 5640), (3760, 5406), (3995, 5088), (4080, 4982), (4240, 4794), (4505, 4512)]