20185290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36423990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 79, 85, 90, 102, 153, 158, 167, 170, 237, 255, 306, 334, 395, 474, 501, 510, 711, 765, 790, 835, 1002, 1185, 1343, 1422, 1503, 1530, 1670, 2370, 2505, 2686, 2839, 3006, 3555, 4029, 5010, 5678, 6715, 7110, 7515, 8058, 8517, 12087, 13193, 13430, 14195, 15030, 17034, 20145, 24174, 25551, 26386, 28390, 39579, 40290, 42585, 51102, 60435, 65965, 79158, 85170, 118737, 120870, 127755, 131930, 197895, 224281, 237474, 255510, 395790, 448562, 593685, 672843, 1121405, 1187370, 1345686, 2018529, 2242810, 3364215, 4037058, 6728430, 10092645, 20185290]

約数ペア:

[(1, 20185290), (2, 10092645), (3, 6728430), (5, 4037058), (6, 3364215), (9, 2242810), (10, 2018529), (15, 1345686), (17, 1187370), (18, 1121405), (30, 672843), (34, 593685), (45, 448562), (51, 395790), (79, 255510), (85, 237474), (90, 224281), (102, 197895), (153, 131930), (158, 127755), (167, 120870), (170, 118737), (237, 85170), (255, 79158), (306, 65965), (334, 60435), (395, 51102), (474, 42585), (501, 40290), (510, 39579), (711, 28390), (765, 26386), (790, 25551), (835, 24174), (1002, 20145), (1185, 17034), (1343, 15030), (1422, 14195), (1503, 13430), (1530, 13193), (1670, 12087), (2370, 8517), (2505, 8058), (2686, 7515), (2839, 7110), (3006, 6715), (3555, 5678), (4029, 5010)]