20107482020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{27091}}^1$

素因数の和:27213

約数の個数: 96

約数和(自身を含む): 46697938560

約数和(自身を除く): 26590456540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 59, 68, 74, 85, 118, 148, 170, 185, 236, 295, 340, 370, 590, 629, 740, 1003, 1180, 1258, 2006, 2183, 2516, 3145, 4012, 4366, 5015, 6290, 8732, 10030, 10915, 12580, 20060, 21830, 27091, 37111, 43660, 54182, 74222, 108364, 135455, 148444, 185555, 270910, 371110, 460547, 541820, 742220, 921094, 1002367, 1598369, 1842188, 2004734, 2302735, 3196738, 4009468, 4605470, 5011835, 6393476, 7991845, 9210940, 10023670, 15983690, 17040239, 20047340, 27172273, 31967380, 34080478, 54344546, 59139653, 68160956, 85201195, 108689092, 118279306, 135861365, 170402390, 236558612, 271722730, 295698265, 340804780, 543445460, 591396530, 1005374101, 1182793060, 2010748202, 4021496404, 5026870505, 10053741010, 20107482020]

約数ペア:

[(1, 20107482020), (2, 10053741010), (4, 5026870505), (5, 4021496404), (10, 2010748202), (17, 1182793060), (20, 1005374101), (34, 591396530), (37, 543445460), (59, 340804780), (68, 295698265), (74, 271722730), (85, 236558612), (118, 170402390), (148, 135861365), (170, 118279306), (185, 108689092), (236, 85201195), (295, 68160956), (340, 59139653), (370, 54344546), (590, 34080478), (629, 31967380), (740, 27172273), (1003, 20047340), (1180, 17040239), (1258, 15983690), (2006, 10023670), (2183, 9210940), (2516, 7991845), (3145, 6393476), (4012, 5011835), (4366, 4605470), (5015, 4009468), (6290, 3196738), (8732, 2302735), (10030, 2004734), (10915, 1842188), (12580, 1598369), (20060, 1002367), (21830, 921094), (27091, 742220), (37111, 541820), (43660, 460547), (54182, 371110), (74222, 270910), (108364, 185555), (135455, 148444)]