20084767920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3985073}}^1$

素因数の和:3985099

約数の個数: 120

約数和(自身を含む): 77087271456

約数和(自身を除く): 57002503536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 3985073, 7970146, 11955219, 15940292, 19925365, 23910438, 27895511, 31880584, 35865657, 39850730, 47820876, 55791022, 59776095, 63761168, 71731314, 79701460, 83686533, 95641752, 111582044, 119552190, 139477555, 143462628, 159402920, 167373066, 179328285, 191283504, 223164088, 239104380, 251059599, 278955110, 286925256, 318805840, 334746132, 358656570, 418432665, 446328176, 478208760, 502119198, 557910220, 573850512, 669492264, 717313140, 836865330, 956417520, 1004238396, 1115820440, 1255297995, 1338984528, 1434626280, 1673730660, 2008476792, 2231640880, 2510595990, 2869252560, 3347461320, 4016953584, 5021191980, 6694922640, 10042383960, 20084767920]

約数ペア:

[(1, 20084767920), (2, 10042383960), (3, 6694922640), (4, 5021191980), (5, 4016953584), (6, 3347461320), (7, 2869252560), (8, 2510595990), (9, 2231640880), (10, 2008476792), (12, 1673730660), (14, 1434626280), (15, 1338984528), (16, 1255297995), (18, 1115820440), (20, 1004238396), (21, 956417520), (24, 836865330), (28, 717313140), (30, 669492264), (35, 573850512), (36, 557910220), (40, 502119198), (42, 478208760), (45, 446328176), (48, 418432665), (56, 358656570), (60, 334746132), (63, 318805840), (70, 286925256), (72, 278955110), (80, 251059599), (84, 239104380), (90, 223164088), (105, 191283504), (112, 179328285), (120, 167373066), (126, 159402920), (140, 143462628), (144, 139477555), (168, 119552190), (180, 111582044), (210, 95641752), (240, 83686533), (252, 79701460), (280, 71731314), (315, 63761168), (336, 59776095), (360, 55791022), (420, 47820876), (504, 39850730), (560, 35865657), (630, 31880584), (720, 27895511), (840, 23910438), (1008, 19925365), (1260, 15940292), (1680, 11955219), (2520, 7970146), (5040, 3985073)]