20942298

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2939

約数の個数: 48

約数和(自身を含む): 50459136

約数和(自身を除く): 29516838

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2887, 3627, 5774, 7254, 8661, 17322, 25983, 37531, 51966, 75062, 89497, 112593, 178994, 225186, 268491, 337779, 536982, 675558, 805473, 1163461, 1610946, 2326922, 3490383, 6980766, 10471149, 20942298]

約数ペア:

[(1, 20942298), (2, 10471149), (3, 6980766), (6, 3490383), (9, 2326922), (13, 1610946), (18, 1163461), (26, 805473), (31, 675558), (39, 536982), (62, 337779), (78, 268491), (93, 225186), (117, 178994), (186, 112593), (234, 89497), (279, 75062), (403, 51966), (558, 37531), (806, 25983), (1209, 17322), (2418, 8661), (2887, 7254), (3627, 5774)]