20121355872

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{7283}}^1$

素因数の和:7533

約数の個数: 144

約数和(自身を含む): 58629877488

約数和(自身を除く): 38508521616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 181, 212, 288, 318, 362, 424, 477, 543, 636, 724, 848, 954, 1086, 1272, 1448, 1629, 1696, 1908, 2172, 2544, 2896, 3258, 3816, 4344, 5088, 5792, 6516, 7283, 7632, 8688, 9593, 13032, 14566, 15264, 17376, 19186, 21849, 26064, 28779, 29132, 38372, 43698, 52128, 57558, 58264, 65547, 76744, 86337, 87396, 115116, 116528, 131094, 153488, 172674, 174792, 230232, 233056, 262188, 306976, 345348, 349584, 385999, 460464, 524376, 690696, 699168, 771998, 920928, 1048752, 1157997, 1318223, 1381392, 1543996, 2097504, 2315994, 2636446, 2762784, 3087992, 3473991, 3954669, 4631988, 5272892, 6175984, 6947982, 7909338, 9263976, 10545784, 11864007, 12351968, 13895964, 15818676, 18527952, 21091568, 23728014, 27791928, 31637352, 37055904, 42183136, 47456028, 55583856, 63274704, 69865819, 94912056, 111167712, 126549408, 139731638, 189824112, 209597457, 279463276, 379648224, 419194914, 558926552, 628792371, 838389828, 1117853104, 1257584742, 1676779656, 2235706208, 2515169484, 3353559312, 5030338968, 6707118624, 10060677936, 20121355872]

約数ペア:

[(1, 20121355872), (2, 10060677936), (3, 6707118624), (4, 5030338968), (6, 3353559312), (8, 2515169484), (9, 2235706208), (12, 1676779656), (16, 1257584742), (18, 1117853104), (24, 838389828), (32, 628792371), (36, 558926552), (48, 419194914), (53, 379648224), (72, 279463276), (96, 209597457), (106, 189824112), (144, 139731638), (159, 126549408), (181, 111167712), (212, 94912056), (288, 69865819), (318, 63274704), (362, 55583856), (424, 47456028), (477, 42183136), (543, 37055904), (636, 31637352), (724, 27791928), (848, 23728014), (954, 21091568), (1086, 18527952), (1272, 15818676), (1448, 13895964), (1629, 12351968), (1696, 11864007), (1908, 10545784), (2172, 9263976), (2544, 7909338), (2896, 6947982), (3258, 6175984), (3816, 5272892), (4344, 4631988), (5088, 3954669), (5792, 3473991), (6516, 3087992), (7283, 2762784), (7632, 2636446), (8688, 2315994), (9593, 2097504), (13032, 1543996), (14566, 1381392), (15264, 1318223), (17376, 1157997), (19186, 1048752), (21849, 920928), (26064, 771998), (28779, 699168), (29132, 690696), (38372, 524376), (43698, 460464), (52128, 385999), (57558, 349584), (58264, 345348), (65547, 306976), (76744, 262188), (86337, 233056), (87396, 230232), (115116, 174792), (116528, 172674), (131094, 153488)]