20201343015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{983}}^1$

素因数の和:1441

約数の個数: 128

約数和(自身を含む): 40604405760

約数和(自身を除く): 20403062745

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 145, 203, 255, 357, 397, 435, 493, 595, 609, 983, 1015, 1191, 1479, 1785, 1985, 2465, 2779, 2949, 3045, 3451, 4915, 5955, 6749, 6881, 7395, 8337, 10353, 11513, 13895, 14745, 16711, 17255, 20247, 20643, 28507, 33745, 34405, 34539, 41685, 47243, 50133, 51765, 57565, 80591, 83555, 85521, 101235, 103215, 116977, 141729, 142535, 172695, 195721, 199549, 236215, 241773, 250665, 350931, 390251, 402955, 427605, 484619, 584885, 587163, 598647, 708645, 978605, 997745, 1170753, 1208865, 1370047, 1453857, 1754655, 1951255, 2423095, 2731757, 2935815, 2993235, 3392333, 4110141, 5853765, 6634267, 6850235, 7269285, 8195271, 10176999, 11317279, 13658785, 16961665, 19902801, 20550705, 33171335, 33951837, 40976355, 46439869, 50884995, 56586395, 79220953, 99514005, 139319607, 169759185, 192393743, 232199345, 237662859, 396104765, 577181229, 696598035, 961968715, 1188314295, 1346756201, 2885906145, 4040268603, 6733781005, 20201343015]

約数ペア:

[(1, 20201343015), (3, 6733781005), (5, 4040268603), (7, 2885906145), (15, 1346756201), (17, 1188314295), (21, 961968715), (29, 696598035), (35, 577181229), (51, 396104765), (85, 237662859), (87, 232199345), (105, 192393743), (119, 169759185), (145, 139319607), (203, 99514005), (255, 79220953), (357, 56586395), (397, 50884995), (435, 46439869), (493, 40976355), (595, 33951837), (609, 33171335), (983, 20550705), (1015, 19902801), (1191, 16961665), (1479, 13658785), (1785, 11317279), (1985, 10176999), (2465, 8195271), (2779, 7269285), (2949, 6850235), (3045, 6634267), (3451, 5853765), (4915, 4110141), (5955, 3392333), (6749, 2993235), (6881, 2935815), (7395, 2731757), (8337, 2423095), (10353, 1951255), (11513, 1754655), (13895, 1453857), (14745, 1370047), (16711, 1208865), (17255, 1170753), (20247, 997745), (20643, 978605), (28507, 708645), (33745, 598647), (34405, 587163), (34539, 584885), (41685, 484619), (47243, 427605), (50133, 402955), (51765, 390251), (57565, 350931), (80591, 250665), (83555, 241773), (85521, 236215), (101235, 199549), (103215, 195721), (116977, 172695), (141729, 142535)]