20912503744

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1\times {\mathrm{1231}}^1$

素因数の和:1722

約数の個数: 112

約数和(自身を含む): 46188172800

約数和(自身を除く): 25275669056

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 64, 88, 118, 176, 236, 352, 409, 472, 649, 704, 818, 944, 1231, 1298, 1636, 1888, 2462, 2596, 3272, 3776, 4499, 4924, 5192, 6544, 8998, 9848, 10384, 13088, 13541, 17996, 19696, 20768, 24131, 26176, 27082, 35992, 39392, 41536, 48262, 54164, 71984, 72629, 78784, 96524, 108328, 143968, 145258, 193048, 216656, 265441, 287936, 290516, 386096, 433312, 503479, 530882, 581032, 772192, 798919, 866624, 1006958, 1061764, 1162064, 1544384, 1597838, 2013916, 2123528, 2324128, 3195676, 4027832, 4247056, 4648256, 5538269, 6391352, 8055664, 8494112, 11076538, 12782704, 16111328, 16988224, 22153076, 25565408, 29705261, 32222656, 44306152, 51130816, 59410522, 88612304, 118821044, 177224608, 237642088, 326757871, 354449216, 475284176, 653515742, 950568352, 1307031484, 1901136704, 2614062968, 5228125936, 10456251872, 20912503744]

約数ペア:

[(1, 20912503744), (2, 10456251872), (4, 5228125936), (8, 2614062968), (11, 1901136704), (16, 1307031484), (22, 950568352), (32, 653515742), (44, 475284176), (59, 354449216), (64, 326757871), (88, 237642088), (118, 177224608), (176, 118821044), (236, 88612304), (352, 59410522), (409, 51130816), (472, 44306152), (649, 32222656), (704, 29705261), (818, 25565408), (944, 22153076), (1231, 16988224), (1298, 16111328), (1636, 12782704), (1888, 11076538), (2462, 8494112), (2596, 8055664), (3272, 6391352), (3776, 5538269), (4499, 4648256), (4924, 4247056), (5192, 4027832), (6544, 3195676), (8998, 2324128), (9848, 2123528), (10384, 2013916), (13088, 1597838), (13541, 1544384), (17996, 1162064), (19696, 1061764), (20768, 1006958), (24131, 866624), (26176, 798919), (27082, 772192), (35992, 581032), (39392, 530882), (41536, 503479), (48262, 433312), (54164, 386096), (71984, 290516), (72629, 287936), (78784, 265441), (96524, 216656), (108328, 193048), (143968, 145258)]