20712672

素因数分解:

$2^5\times 3^4\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 120

約数和(自身を含む): 62386632

約数和(自身を除く): 41673960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 72, 81, 96, 108, 122, 131, 144, 162, 183, 216, 244, 262, 288, 324, 366, 393, 432, 488, 524, 549, 648, 732, 786, 864, 976, 1048, 1098, 1179, 1296, 1464, 1572, 1647, 1952, 2096, 2196, 2358, 2592, 2928, 3144, 3294, 3537, 4192, 4392, 4716, 4941, 5856, 6288, 6588, 7074, 7991, 8784, 9432, 9882, 10611, 12576, 13176, 14148, 15982, 17568, 18864, 19764, 21222, 23973, 26352, 28296, 31964, 37728, 39528, 42444, 47946, 52704, 56592, 63928, 71919, 79056, 84888, 95892, 113184, 127856, 143838, 158112, 169776, 191784, 215757, 255712, 287676, 339552, 383568, 431514, 575352, 647271, 767136, 863028, 1150704, 1294542, 1726056, 2301408, 2589084, 3452112, 5178168, 6904224, 10356336, 20712672]

約数ペア:

[(1, 20712672), (2, 10356336), (3, 6904224), (4, 5178168), (6, 3452112), (8, 2589084), (9, 2301408), (12, 1726056), (16, 1294542), (18, 1150704), (24, 863028), (27, 767136), (32, 647271), (36, 575352), (48, 431514), (54, 383568), (61, 339552), (72, 287676), (81, 255712), (96, 215757), (108, 191784), (122, 169776), (131, 158112), (144, 143838), (162, 127856), (183, 113184), (216, 95892), (244, 84888), (262, 79056), (288, 71919), (324, 63928), (366, 56592), (393, 52704), (432, 47946), (488, 42444), (524, 39528), (549, 37728), (648, 31964), (732, 28296), (786, 26352), (864, 23973), (976, 21222), (1048, 19764), (1098, 18864), (1179, 17568), (1296, 15982), (1464, 14148), (1572, 13176), (1647, 12576), (1952, 10611), (2096, 9882), (2196, 9432), (2358, 8784), (2592, 7991), (2928, 7074), (3144, 6588), (3294, 6288), (3537, 5856), (4192, 4941), (4392, 4716)]