20020746235

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1\times {\mathrm{479}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 29362176000

約数和(自身を除く): 9341429765

約数列:

[1, 5, 7, 17, 35, 85, 119, 199, 353, 479, 595, 995, 1393, 1765, 2395, 2471, 3353, 3383, 6001, 6965, 8143, 12355, 16765, 16915, 23681, 30005, 40715, 42007, 57001, 70247, 95321, 118405, 169087, 210035, 285005, 351235, 476605, 491729, 667247, 845435, 1183609, 1194199, 1620457, 2458645, 2874479, 3336235, 5918045, 5970995, 8102285, 8359393, 11343199, 14372395, 20121353, 33648313, 41796965, 56715995, 100606765, 168241565, 235538191, 572021321, 1177690955, 2860106605, 4004149247, 20020746235]

約数ペア:

[(1, 20020746235), (5, 4004149247), (7, 2860106605), (17, 1177690955), (35, 572021321), (85, 235538191), (119, 168241565), (199, 100606765), (353, 56715995), (479, 41796965), (595, 33648313), (995, 20121353), (1393, 14372395), (1765, 11343199), (2395, 8359393), (2471, 8102285), (3353, 5970995), (3383, 5918045), (6001, 3336235), (6965, 2874479), (8143, 2458645), (12355, 1620457), (16765, 1194199), (16915, 1183609), (23681, 845435), (30005, 667247), (40715, 491729), (42007, 476605), (57001, 351235), (70247, 285005), (95321, 210035), (118405, 169087)]