20746596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7823}}^1$

素因数の和:7860

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 34459548

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7823, 15646, 23469, 31292, 46938, 93876, 101699, 132991, 203398, 265982, 305097, 398973, 406796, 531964, 610194, 797946, 1220388, 1595892, 1728883, 3457766, 5186649, 6915532, 10373298, 20746596]

約数ペア:

[(1, 20746596), (2, 10373298), (3, 6915532), (4, 5186649), (6, 3457766), (12, 1728883), (13, 1595892), (17, 1220388), (26, 797946), (34, 610194), (39, 531964), (51, 406796), (52, 398973), (68, 305097), (78, 265982), (102, 203398), (156, 132991), (204, 101699), (221, 93876), (442, 46938), (663, 31292), (884, 23469), (1326, 15646), (2652, 7823)]