20178668580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1499}}^1\times {\mathrm{32051}}^1$

素因数の和:33569

約数の個数: 96

約数和(自身を含む): 64616832000

約数和(自身を除く): 44438163420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1499, 2998, 4497, 5996, 7495, 8994, 10493, 14990, 17988, 20986, 22485, 29980, 31479, 32051, 41972, 44970, 52465, 62958, 64102, 89940, 96153, 104930, 125916, 128204, 157395, 160255, 192306, 209860, 224357, 314790, 320510, 384612, 448714, 480765, 629580, 641020, 673071, 897428, 961530, 1121785, 1346142, 1923060, 2243570, 2692284, 3365355, 4487140, 6730710, 13461420, 48044449, 96088898, 144133347, 192177796, 240222245, 288266694, 336311143, 480444490, 576533388, 672622286, 720666735, 960888980, 1008933429, 1345244572, 1441333470, 1681555715, 2017866858, 2882666940, 3363111430, 4035733716, 5044667145, 6726222860, 10089334290, 20178668580]

約数ペア:

[(1, 20178668580), (2, 10089334290), (3, 6726222860), (4, 5044667145), (5, 4035733716), (6, 3363111430), (7, 2882666940), (10, 2017866858), (12, 1681555715), (14, 1441333470), (15, 1345244572), (20, 1008933429), (21, 960888980), (28, 720666735), (30, 672622286), (35, 576533388), (42, 480444490), (60, 336311143), (70, 288266694), (84, 240222245), (105, 192177796), (140, 144133347), (210, 96088898), (420, 48044449), (1499, 13461420), (2998, 6730710), (4497, 4487140), (5996, 3365355), (7495, 2692284), (8994, 2243570), (10493, 1923060), (14990, 1346142), (17988, 1121785), (20986, 961530), (22485, 897428), (29980, 673071), (31479, 641020), (32051, 629580), (41972, 480765), (44970, 448714), (52465, 384612), (62958, 320510), (64102, 314790), (89940, 224357), (96153, 209860), (104930, 192306), (125916, 160255), (128204, 157395)]