20467728

素因数分解:

$2^4\times 3^4\times {\mathrm{17}}^1\times {\mathrm{929}}^1$

素因数の和:966

約数の個数: 100

約数和(自身を含む): 62791740

約数和(自身を除く): 42324012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 272, 306, 324, 408, 432, 459, 612, 648, 816, 918, 929, 1224, 1296, 1377, 1836, 1858, 2448, 2754, 2787, 3672, 3716, 5508, 5574, 7344, 7432, 8361, 11016, 11148, 14864, 15793, 16722, 22032, 22296, 25083, 31586, 33444, 44592, 47379, 50166, 63172, 66888, 75249, 94758, 100332, 126344, 133776, 142137, 150498, 189516, 200664, 252688, 284274, 300996, 379032, 401328, 426411, 568548, 601992, 758064, 852822, 1137096, 1203984, 1279233, 1705644, 2274192, 2558466, 3411288, 5116932, 6822576, 10233864, 20467728]

約数ペア:

[(1, 20467728), (2, 10233864), (3, 6822576), (4, 5116932), (6, 3411288), (8, 2558466), (9, 2274192), (12, 1705644), (16, 1279233), (17, 1203984), (18, 1137096), (24, 852822), (27, 758064), (34, 601992), (36, 568548), (48, 426411), (51, 401328), (54, 379032), (68, 300996), (72, 284274), (81, 252688), (102, 200664), (108, 189516), (136, 150498), (144, 142137), (153, 133776), (162, 126344), (204, 100332), (216, 94758), (272, 75249), (306, 66888), (324, 63172), (408, 50166), (432, 47379), (459, 44592), (612, 33444), (648, 31586), (816, 25083), (918, 22296), (929, 22032), (1224, 16722), (1296, 15793), (1377, 14864), (1836, 11148), (1858, 11016), (2448, 8361), (2754, 7432), (2787, 7344), (3672, 5574), (3716, 5508)]