20054597168

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{1553}}^1$

素因数の和:1854

約数の個数: 80

約数和(自身を含む): 40214113632

約数和(自身を除く): 20159516464

約数列:

[1, 2, 4, 8, 16, 61, 101, 122, 131, 202, 244, 262, 404, 488, 524, 808, 976, 1048, 1553, 1616, 2096, 3106, 6161, 6212, 7991, 12322, 12424, 13231, 15982, 24644, 24848, 26462, 31964, 49288, 52924, 63928, 94733, 98576, 105848, 127856, 156853, 189466, 203443, 211696, 313706, 378932, 406886, 627412, 757864, 807091, 813772, 1254824, 1515728, 1614182, 1627544, 2509648, 3228364, 3255088, 6456728, 9568033, 12410023, 12913456, 19136066, 20547743, 24820046, 38272132, 41095486, 49640092, 76544264, 82190972, 99280184, 153088528, 164381944, 198560368, 328763888, 1253412323, 2506824646, 5013649292, 10027298584, 20054597168]

約数ペア:

[(1, 20054597168), (2, 10027298584), (4, 5013649292), (8, 2506824646), (16, 1253412323), (61, 328763888), (101, 198560368), (122, 164381944), (131, 153088528), (202, 99280184), (244, 82190972), (262, 76544264), (404, 49640092), (488, 41095486), (524, 38272132), (808, 24820046), (976, 20547743), (1048, 19136066), (1553, 12913456), (1616, 12410023), (2096, 9568033), (3106, 6456728), (6161, 3255088), (6212, 3228364), (7991, 2509648), (12322, 1627544), (12424, 1614182), (13231, 1515728), (15982, 1254824), (24644, 813772), (24848, 807091), (26462, 757864), (31964, 627412), (49288, 406886), (52924, 378932), (63928, 313706), (94733, 211696), (98576, 203443), (105848, 189466), (127856, 156853)]