20871036165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{118387}}^1$

素因数の和:118498

約数の個数: 64

約数和(自身を含む): 40369360896

約数和(自身を除く): 19498324731

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 73, 105, 115, 161, 219, 345, 365, 483, 511, 805, 1095, 1533, 1679, 2415, 2555, 5037, 7665, 8395, 11753, 25185, 35259, 58765, 118387, 176295, 355161, 591935, 828709, 1775805, 2486127, 2722901, 4143545, 8168703, 8642251, 12430635, 13614505, 19060307, 25926753, 40843515, 43211255, 57180921, 60495757, 95301535, 129633765, 181487271, 198771773, 285904605, 302478785, 596315319, 907436355, 993858865, 1391402411, 2981576595, 4174207233, 6957012055, 20871036165]

約数ペア:

[(1, 20871036165), (3, 6957012055), (5, 4174207233), (7, 2981576595), (15, 1391402411), (21, 993858865), (23, 907436355), (35, 596315319), (69, 302478785), (73, 285904605), (105, 198771773), (115, 181487271), (161, 129633765), (219, 95301535), (345, 60495757), (365, 57180921), (483, 43211255), (511, 40843515), (805, 25926753), (1095, 19060307), (1533, 13614505), (1679, 12430635), (2415, 8642251), (2555, 8168703), (5037, 4143545), (7665, 2722901), (8395, 2486127), (11753, 1775805), (25185, 828709), (35259, 591935), (58765, 355161), (118387, 176295)]