20189184498

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{212791}}^1$

素因数の和:213060

約数の個数: 64

約数和(自身を含む): 51478640640

約数和(自身を除く): 31289456142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 251, 378, 502, 753, 1506, 1757, 2259, 3514, 4518, 5271, 6777, 10542, 13554, 15813, 31626, 47439, 94878, 212791, 425582, 638373, 1276746, 1489537, 1915119, 2979074, 3830238, 4468611, 5745357, 8937222, 11490714, 13405833, 26811666, 40217499, 53410541, 80434998, 106821082, 160231623, 320463246, 373873787, 480694869, 747747574, 961389738, 1121621361, 1442084607, 2243242722, 2884169214, 3364864083, 6729728166, 10094592249, 20189184498]

約数ペア:

[(1, 20189184498), (2, 10094592249), (3, 6729728166), (6, 3364864083), (7, 2884169214), (9, 2243242722), (14, 1442084607), (18, 1121621361), (21, 961389738), (27, 747747574), (42, 480694869), (54, 373873787), (63, 320463246), (126, 160231623), (189, 106821082), (251, 80434998), (378, 53410541), (502, 40217499), (753, 26811666), (1506, 13405833), (1757, 11490714), (2259, 8937222), (3514, 5745357), (4518, 4468611), (5271, 3830238), (6777, 2979074), (10542, 1915119), (13554, 1489537), (15813, 1276746), (31626, 638373), (47439, 425582), (94878, 212791)]