20397922608

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{768457}}^1$

素因数の和:768554

約数の個数: 80

約数和(自身を含む): 60984826880

約数和(自身を除く): 40586904272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 79, 84, 112, 158, 168, 237, 316, 336, 474, 553, 632, 948, 1106, 1264, 1659, 1896, 2212, 3318, 3792, 4424, 6636, 8848, 13272, 26544, 768457, 1536914, 2305371, 3073828, 4610742, 5379199, 6147656, 9221484, 10758398, 12295312, 16137597, 18442968, 21516796, 32275194, 36885936, 43033592, 60708103, 64550388, 86067184, 121416206, 129100776, 182124309, 242832412, 258201552, 364248618, 424956721, 485664824, 728497236, 849913442, 971329648, 1274870163, 1456994472, 1699826884, 2549740326, 2913988944, 3399653768, 5099480652, 6799307536, 10198961304, 20397922608]

約数ペア:

[(1, 20397922608), (2, 10198961304), (3, 6799307536), (4, 5099480652), (6, 3399653768), (7, 2913988944), (8, 2549740326), (12, 1699826884), (14, 1456994472), (16, 1274870163), (21, 971329648), (24, 849913442), (28, 728497236), (42, 485664824), (48, 424956721), (56, 364248618), (79, 258201552), (84, 242832412), (112, 182124309), (158, 129100776), (168, 121416206), (237, 86067184), (316, 64550388), (336, 60708103), (474, 43033592), (553, 36885936), (632, 32275194), (948, 21516796), (1106, 18442968), (1264, 16137597), (1659, 12295312), (1896, 10758398), (2212, 9221484), (3318, 6147656), (3792, 5379199), (4424, 4610742), (6636, 3073828), (8848, 2305371), (13272, 1536914), (26544, 768457)]