20396448

素因数分解:

$2^5\times 3^5\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 62558496

約数和(自身を除く): 42162048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 61, 72, 81, 86, 96, 108, 122, 129, 144, 162, 172, 183, 216, 243, 244, 258, 288, 324, 344, 366, 387, 432, 486, 488, 516, 549, 648, 688, 732, 774, 864, 972, 976, 1032, 1098, 1161, 1296, 1376, 1464, 1548, 1647, 1944, 1952, 2064, 2196, 2322, 2592, 2623, 2928, 3096, 3294, 3483, 3888, 4128, 4392, 4644, 4941, 5246, 5856, 6192, 6588, 6966, 7776, 7869, 8784, 9288, 9882, 10449, 10492, 12384, 13176, 13932, 14823, 15738, 17568, 18576, 19764, 20898, 20984, 23607, 26352, 27864, 29646, 31476, 37152, 39528, 41796, 41968, 47214, 52704, 55728, 59292, 62952, 70821, 79056, 83592, 83936, 94428, 111456, 118584, 125904, 141642, 158112, 167184, 188856, 212463, 237168, 251808, 283284, 334368, 377712, 424926, 474336, 566568, 637389, 755424, 849852, 1133136, 1274778, 1699704, 2266272, 2549556, 3399408, 5099112, 6798816, 10198224, 20396448]

約数ペア:

[(1, 20396448), (2, 10198224), (3, 6798816), (4, 5099112), (6, 3399408), (8, 2549556), (9, 2266272), (12, 1699704), (16, 1274778), (18, 1133136), (24, 849852), (27, 755424), (32, 637389), (36, 566568), (43, 474336), (48, 424926), (54, 377712), (61, 334368), (72, 283284), (81, 251808), (86, 237168), (96, 212463), (108, 188856), (122, 167184), (129, 158112), (144, 141642), (162, 125904), (172, 118584), (183, 111456), (216, 94428), (243, 83936), (244, 83592), (258, 79056), (288, 70821), (324, 62952), (344, 59292), (366, 55728), (387, 52704), (432, 47214), (486, 41968), (488, 41796), (516, 39528), (549, 37152), (648, 31476), (688, 29646), (732, 27864), (774, 26352), (864, 23607), (972, 20984), (976, 20898), (1032, 19764), (1098, 18576), (1161, 17568), (1296, 15738), (1376, 14823), (1464, 13932), (1548, 13176), (1647, 12384), (1944, 10492), (1952, 10449), (2064, 9882), (2196, 9288), (2322, 8784), (2592, 7869), (2623, 7776), (2928, 6966), (3096, 6588), (3294, 6192), (3483, 5856), (3888, 5246), (4128, 4941), (4392, 4644)]