20163818064

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1042381}}^1$

素因数の和:1042436

約数の個数: 80

約数和(自身を含む): 57906404864

約数和(自身を除く): 37742586800

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 1042381, 2084762, 3127143, 4169524, 6254286, 8339048, 12508572, 13550953, 16678096, 25017144, 27101906, 32313811, 40652859, 50034288, 54203812, 64627622, 81305718, 96941433, 108407624, 129255244, 162611436, 193882866, 216815248, 258510488, 325222872, 387765732, 420079543, 517020976, 650445744, 775531464, 840159086, 1260238629, 1551062928, 1680318172, 2520477258, 3360636344, 5040954516, 6721272688, 10081909032, 20163818064]

約数ペア:

[(1, 20163818064), (2, 10081909032), (3, 6721272688), (4, 5040954516), (6, 3360636344), (8, 2520477258), (12, 1680318172), (13, 1551062928), (16, 1260238629), (24, 840159086), (26, 775531464), (31, 650445744), (39, 517020976), (48, 420079543), (52, 387765732), (62, 325222872), (78, 258510488), (93, 216815248), (104, 193882866), (124, 162611436), (156, 129255244), (186, 108407624), (208, 96941433), (248, 81305718), (312, 64627622), (372, 54203812), (403, 50034288), (496, 40652859), (624, 32313811), (744, 27101906), (806, 25017144), (1209, 16678096), (1488, 13550953), (1612, 12508572), (2418, 8339048), (3224, 6254286), (4836, 4169524), (6448, 3127143), (9672, 2084762), (19344, 1042381)]