20298304

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:843

約数の個数: 56

約数和(自身を含む): 44834048

約数和(自身を除く): 24535744

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 787, 806, 832, 992, 1574, 1612, 1984, 3148, 3224, 6296, 6448, 10231, 12592, 12896, 20462, 24397, 25184, 25792, 40924, 48794, 50368, 81848, 97588, 163696, 195176, 317161, 327392, 390352, 634322, 654784, 780704, 1268644, 1561408, 2537288, 5074576, 10149152, 20298304]

約数ペア:

[(1, 20298304), (2, 10149152), (4, 5074576), (8, 2537288), (13, 1561408), (16, 1268644), (26, 780704), (31, 654784), (32, 634322), (52, 390352), (62, 327392), (64, 317161), (104, 195176), (124, 163696), (208, 97588), (248, 81848), (403, 50368), (416, 48794), (496, 40924), (787, 25792), (806, 25184), (832, 24397), (992, 20462), (1574, 12896), (1612, 12592), (1984, 10231), (3148, 6448), (3224, 6296)]