20161993704

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1\times {\mathrm{13669}}^1$

素因数の和:15218

約数の個数: 64

約数和(自身を含む): 51672600000

約数和(自身を除く): 31510606296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 1499, 2998, 4497, 5996, 8994, 11992, 13669, 17988, 27338, 35976, 41007, 54676, 61459, 82014, 109352, 122918, 164028, 184377, 245836, 328056, 368754, 491672, 560429, 737508, 1120858, 1475016, 1681287, 2241716, 3362574, 4483432, 6725148, 13450296, 20489831, 40979662, 61469493, 81959324, 122938986, 163918648, 245877972, 491755944, 840083071, 1680166142, 2520249213, 3360332284, 5040498426, 6720664568, 10080996852, 20161993704]

約数ペア:

[(1, 20161993704), (2, 10080996852), (3, 6720664568), (4, 5040498426), (6, 3360332284), (8, 2520249213), (12, 1680166142), (24, 840083071), (41, 491755944), (82, 245877972), (123, 163918648), (164, 122938986), (246, 81959324), (328, 61469493), (492, 40979662), (984, 20489831), (1499, 13450296), (2998, 6725148), (4497, 4483432), (5996, 3362574), (8994, 2241716), (11992, 1681287), (13669, 1475016), (17988, 1120858), (27338, 737508), (35976, 560429), (41007, 491672), (54676, 368754), (61459, 328056), (82014, 245836), (109352, 184377), (122918, 164028)]