20561783328

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1347077}}^1$

素因数の和:1347146

約数の個数: 72

約数和(自身を含む): 59575871628

約数和(自身を除く): 39014088300

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1696, 1908, 2544, 3816, 5088, 7632, 15264, 1347077, 2694154, 4041231, 5388308, 8082462, 10776616, 12123693, 16164924, 21553232, 24247386, 32329848, 43106464, 48494772, 64659696, 71395081, 96989544, 129319392, 142790162, 193979088, 214185243, 285580324, 387958176, 428370486, 571160648, 642555729, 856740972, 1142321296, 1285111458, 1713481944, 2284642592, 2570222916, 3426963888, 5140445832, 6853927776, 10280891664, 20561783328]

約数ペア:

[(1, 20561783328), (2, 10280891664), (3, 6853927776), (4, 5140445832), (6, 3426963888), (8, 2570222916), (9, 2284642592), (12, 1713481944), (16, 1285111458), (18, 1142321296), (24, 856740972), (32, 642555729), (36, 571160648), (48, 428370486), (53, 387958176), (72, 285580324), (96, 214185243), (106, 193979088), (144, 142790162), (159, 129319392), (212, 96989544), (288, 71395081), (318, 64659696), (424, 48494772), (477, 43106464), (636, 32329848), (848, 24247386), (954, 21553232), (1272, 16164924), (1696, 12123693), (1908, 10776616), (2544, 8082462), (3816, 5388308), (5088, 4041231), (7632, 2694154), (15264, 1347077)]