20503530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1525

約数の個数: 80

約数和(自身を含む): 58413960

約数和(自身を除く): 37910430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 255, 270, 306, 405, 459, 510, 765, 810, 918, 1377, 1489, 1530, 2295, 2754, 2978, 4467, 4590, 6885, 7445, 8934, 13401, 13770, 14890, 22335, 25313, 26802, 40203, 44670, 50626, 67005, 75939, 80406, 120609, 126565, 134010, 151878, 201015, 227817, 241218, 253130, 379695, 402030, 455634, 603045, 683451, 759390, 1139085, 1206090, 1366902, 2050353, 2278170, 3417255, 4100706, 6834510, 10251765, 20503530]

約数ペア:

[(1, 20503530), (2, 10251765), (3, 6834510), (5, 4100706), (6, 3417255), (9, 2278170), (10, 2050353), (15, 1366902), (17, 1206090), (18, 1139085), (27, 759390), (30, 683451), (34, 603045), (45, 455634), (51, 402030), (54, 379695), (81, 253130), (85, 241218), (90, 227817), (102, 201015), (135, 151878), (153, 134010), (162, 126565), (170, 120609), (255, 80406), (270, 75939), (306, 67005), (405, 50626), (459, 44670), (510, 40203), (765, 26802), (810, 25313), (918, 22335), (1377, 14890), (1489, 13770), (1530, 13401), (2295, 8934), (2754, 7445), (2978, 6885), (4467, 4590)]