20730780992

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:976

約数の個数: 112

約数和(自身を含む): 43582205952

約数和(自身を除く): 22851424960

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 127, 173, 184, 254, 346, 368, 508, 641, 692, 736, 1016, 1282, 1384, 1472, 2032, 2564, 2768, 2921, 3979, 4064, 5128, 5536, 5842, 7958, 8128, 10256, 11072, 11684, 14743, 15916, 20512, 21971, 23368, 29486, 31832, 41024, 43942, 46736, 58972, 63664, 81407, 87884, 93472, 110893, 117944, 127328, 162814, 175768, 186944, 221786, 235888, 254656, 325628, 351536, 443572, 471776, 505333, 651256, 703072, 887144, 943552, 1010666, 1302512, 1406144, 1774288, 1872361, 2021332, 2550539, 2605024, 3548576, 3744722, 4042664, 5101078, 5210048, 7097152, 7489444, 8085328, 10202156, 14083411, 14978888, 16170656, 20404312, 28166822, 29957776, 32341312, 40808624, 56333644, 59915552, 81617248, 112667288, 119831104, 163234496, 225334576, 323918453, 450669152, 647836906, 901338304, 1295673812, 2591347624, 5182695248, 10365390496, 20730780992]

約数ペア:

[(1, 20730780992), (2, 10365390496), (4, 5182695248), (8, 2591347624), (16, 1295673812), (23, 901338304), (32, 647836906), (46, 450669152), (64, 323918453), (92, 225334576), (127, 163234496), (173, 119831104), (184, 112667288), (254, 81617248), (346, 59915552), (368, 56333644), (508, 40808624), (641, 32341312), (692, 29957776), (736, 28166822), (1016, 20404312), (1282, 16170656), (1384, 14978888), (1472, 14083411), (2032, 10202156), (2564, 8085328), (2768, 7489444), (2921, 7097152), (3979, 5210048), (4064, 5101078), (5128, 4042664), (5536, 3744722), (5842, 3548576), (7958, 2605024), (8128, 2550539), (10256, 2021332), (11072, 1872361), (11684, 1774288), (14743, 1406144), (15916, 1302512), (20512, 1010666), (21971, 943552), (23368, 887144), (29486, 703072), (31832, 651256), (41024, 505333), (43942, 471776), (46736, 443572), (58972, 351536), (63664, 325628), (81407, 254656), (87884, 235888), (93472, 221786), (110893, 186944), (117944, 175768), (127328, 162814)]