20436720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5009}}^1$

素因数の和:5042

約数の個数: 80

約数和(自身を含む): 67093920

約数和(自身を除く): 46657200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5009, 10018, 15027, 20036, 25045, 30054, 40072, 50090, 60108, 75135, 80144, 85153, 100180, 120216, 150270, 170306, 200360, 240432, 255459, 300540, 340612, 400720, 425765, 510918, 601080, 681224, 851530, 1021836, 1202160, 1277295, 1362448, 1703060, 2043672, 2554590, 3406120, 4087344, 5109180, 6812240, 10218360, 20436720]

約数ペア:

[(1, 20436720), (2, 10218360), (3, 6812240), (4, 5109180), (5, 4087344), (6, 3406120), (8, 2554590), (10, 2043672), (12, 1703060), (15, 1362448), (16, 1277295), (17, 1202160), (20, 1021836), (24, 851530), (30, 681224), (34, 601080), (40, 510918), (48, 425765), (51, 400720), (60, 340612), (68, 300540), (80, 255459), (85, 240432), (102, 200360), (120, 170306), (136, 150270), (170, 120216), (204, 100180), (240, 85153), (255, 80144), (272, 75135), (340, 60108), (408, 50090), (510, 40072), (680, 30054), (816, 25045), (1020, 20036), (1360, 15027), (2040, 10018), (4080, 5009)]