20123100290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{24203}}^1$

素因数の和:24347

約数の個数: 64

約数和(自身を含む): 38896796160

約数和(自身を除く): 18773695870

約数列:

[1, 2, 5, 10, 29, 47, 58, 61, 94, 122, 145, 235, 290, 305, 470, 610, 1363, 1769, 2726, 2867, 3538, 5734, 6815, 8845, 13630, 14335, 17690, 24203, 28670, 48406, 83143, 121015, 166286, 242030, 415715, 701887, 831430, 1137541, 1403774, 1476383, 2275082, 2952766, 3509435, 5687705, 7018870, 7381915, 11375410, 14763830, 32988689, 42815107, 65977378, 69390001, 85630214, 138780002, 164943445, 214075535, 329886890, 346950005, 428151070, 693900010, 2012310029, 4024620058, 10061550145, 20123100290]

約数ペア:

[(1, 20123100290), (2, 10061550145), (5, 4024620058), (10, 2012310029), (29, 693900010), (47, 428151070), (58, 346950005), (61, 329886890), (94, 214075535), (122, 164943445), (145, 138780002), (235, 85630214), (290, 69390001), (305, 65977378), (470, 42815107), (610, 32988689), (1363, 14763830), (1769, 11375410), (2726, 7381915), (2867, 7018870), (3538, 5687705), (5734, 3509435), (6815, 2952766), (8845, 2275082), (13630, 1476383), (14335, 1403774), (17690, 1137541), (24203, 831430), (28670, 701887), (48406, 415715), (83143, 242030), (121015, 166286)]