20156689008

素因数分解:

$2^4\times 3^2\times {\mathrm{149}}^1\times {\mathrm{939443}}^1$

素因数の和:939606

約数の個数: 60

約数和(自身を含む): 56789389800

約数和(自身を除く): 36632700792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149, 298, 447, 596, 894, 1192, 1341, 1788, 2384, 2682, 3576, 5364, 7152, 10728, 21456, 939443, 1878886, 2818329, 3757772, 5636658, 7515544, 8454987, 11273316, 15031088, 16909974, 22546632, 33819948, 45093264, 67639896, 135279792, 139977007, 279954014, 419931021, 559908028, 839862042, 1119816056, 1259793063, 1679724084, 2239632112, 2519586126, 3359448168, 5039172252, 6718896336, 10078344504, 20156689008]

約数ペア:

[(1, 20156689008), (2, 10078344504), (3, 6718896336), (4, 5039172252), (6, 3359448168), (8, 2519586126), (9, 2239632112), (12, 1679724084), (16, 1259793063), (18, 1119816056), (24, 839862042), (36, 559908028), (48, 419931021), (72, 279954014), (144, 139977007), (149, 135279792), (298, 67639896), (447, 45093264), (596, 33819948), (894, 22546632), (1192, 16909974), (1341, 15031088), (1788, 11273316), (2384, 8454987), (2682, 7515544), (3576, 5636658), (5364, 3757772), (7152, 2818329), (10728, 1878886), (21456, 939443)]