20919384

素因数分解:

$2^3\times 3^6\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 112

約数和(自身を含む): 62563320

約数和(自身を除く): 41643936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 211, 216, 243, 306, 324, 408, 422, 459, 486, 612, 633, 648, 729, 844, 918, 972, 1224, 1266, 1377, 1458, 1688, 1836, 1899, 1944, 2532, 2754, 2916, 3587, 3672, 3798, 4131, 5064, 5508, 5697, 5832, 7174, 7596, 8262, 10761, 11016, 11394, 12393, 14348, 15192, 16524, 17091, 21522, 22788, 24786, 28696, 32283, 33048, 34182, 43044, 45576, 49572, 51273, 64566, 68364, 86088, 96849, 99144, 102546, 129132, 136728, 153819, 193698, 205092, 258264, 290547, 307638, 387396, 410184, 581094, 615276, 774792, 871641, 1162188, 1230552, 1743282, 2324376, 2614923, 3486564, 5229846, 6973128, 10459692, 20919384]

約数ペア:

[(1, 20919384), (2, 10459692), (3, 6973128), (4, 5229846), (6, 3486564), (8, 2614923), (9, 2324376), (12, 1743282), (17, 1230552), (18, 1162188), (24, 871641), (27, 774792), (34, 615276), (36, 581094), (51, 410184), (54, 387396), (68, 307638), (72, 290547), (81, 258264), (102, 205092), (108, 193698), (136, 153819), (153, 136728), (162, 129132), (204, 102546), (211, 99144), (216, 96849), (243, 86088), (306, 68364), (324, 64566), (408, 51273), (422, 49572), (459, 45576), (486, 43044), (612, 34182), (633, 33048), (648, 32283), (729, 28696), (844, 24786), (918, 22788), (972, 21522), (1224, 17091), (1266, 16524), (1377, 15192), (1458, 14348), (1688, 12393), (1836, 11394), (1899, 11016), (1944, 10761), (2532, 8262), (2754, 7596), (2916, 7174), (3587, 5832), (3672, 5697), (3798, 5508), (4131, 5064)]