20397612696912

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:704

約数の個数: 960

約数和(自身を含む): 66414754897920

約数和(自身を除く): 46017142201008

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 33, 36, 44, 48, 61, 62, 66, 72, 88, 93, 99, 122, 124, 131, 132, 144, 176, 183, 186, 198, 227, 229, 244, 248, 262, 264, 279, 341, 366, 372, 393, 396, 454, 458, 488, 496, 524, 528, 549, 558, 671, 681, 682, 687, 732, 744, 786, 792, 908, 916, 976, 1023, 1048, 1098, 1116, 1179, 1342, 1362, 1364, 1374, 1441, 1464, 1488, 1572, 1584, 1816, 1832, 1891, 2013, 2043, 2046, 2061, 2096, 2196, 2232, 2358, 2497, 2519, 2684, 2724, 2728, 2748, 2882, 2928, 3069, 3144, 3632, 3664, 3782, 4026, 4061, 4086, 4092, 4122, 4323, 4392, 4464, 4716, 4994, 5038, 5368, 5448, 5456, 5496, 5673, 5764, 6039, 6138, 6288, 7037, 7099, 7491, 7557, 7564, 7991, 8052, 8122, 8172, 8184, 8244, 8646, 8784, 9432, 9988, 10076, 10736, 10896, 10992, 11346, 11528, 12078, 12183, 12276, 12969, 13847, 13969, 14074, 14198, 14982, 15114, 15128, 15982, 16104, 16244, 16344, 16368, 16488, 17019, 17292, 18864, 19976, 20152, 20801, 21111, 21297, 22473, 22671, 22692, 23056, 23973, 24156, 24366, 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約数ペア:

[(1, 20397612696912), (2, 10198806348456), (3, 6799204232304), (4, 5099403174228), (6, 3399602116152), (8, 2549701587114), (9, 2266401410768), (11, 1854328426992), (12, 1699801058076), (16, 1274850793557), (18, 1133200705384), (22, 927164213496), (24, 849900529038), (31, 657987506352), (33, 618109475664), (36, 566600352692), (44, 463582106748), (48, 424950264519), (61, 334387093392), (62, 328993753176), (66, 309054737832), (72, 283300176346), (88, 231791053374), (93, 219329168784), (99, 206036491888), (122, 167193546696), (124, 164496876588), (131, 155706967152), (132, 154527368916), (144, 141650088173), (176, 115895526687), (183, 111462364464), (186, 109664584392), (198, 103018245944), (227, 89857324656), (229, 89072544528), (244, 83596773348), (248, 82248438294), (262, 77853483576), (264, 77263684458), (279, 73109722928), (341, 59817046032), (366, 55731182232), (372, 54832292196), (393, 51902322384), (396, 51509122972), (454, 44928662328), (458, 44536272264), (488, 41798386674), 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