20845888

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 112

約数和(自身を含む): 52019200

約数和(自身を除く): 31173312

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 76, 79, 112, 124, 133, 152, 158, 217, 224, 248, 266, 304, 316, 434, 448, 496, 532, 553, 589, 608, 632, 868, 992, 1064, 1106, 1178, 1216, 1264, 1501, 1736, 1984, 2128, 2212, 2356, 2449, 2528, 3002, 3472, 4123, 4256, 4424, 4712, 4898, 5056, 6004, 6944, 8246, 8512, 8848, 9424, 9796, 10507, 12008, 13888, 16492, 17143, 17696, 18848, 19592, 21014, 24016, 32984, 34286, 35392, 37696, 39184, 42028, 46531, 48032, 65968, 68572, 78368, 84056, 93062, 96064, 131936, 137144, 156736, 168112, 186124, 263872, 274288, 325717, 336224, 372248, 548576, 651434, 672448, 744496, 1097152, 1302868, 1488992, 2605736, 2977984, 5211472, 10422944, 20845888]

約数ペア:

[(1, 20845888), (2, 10422944), (4, 5211472), (7, 2977984), (8, 2605736), (14, 1488992), (16, 1302868), (19, 1097152), (28, 744496), (31, 672448), (32, 651434), (38, 548576), (56, 372248), (62, 336224), (64, 325717), (76, 274288), (79, 263872), (112, 186124), (124, 168112), (133, 156736), (152, 137144), (158, 131936), (217, 96064), (224, 93062), (248, 84056), (266, 78368), (304, 68572), (316, 65968), (434, 48032), (448, 46531), (496, 42028), (532, 39184), (553, 37696), (589, 35392), (608, 34286), (632, 32984), (868, 24016), (992, 21014), (1064, 19592), (1106, 18848), (1178, 17696), (1216, 17143), (1264, 16492), (1501, 13888), (1736, 12008), (1984, 10507), (2128, 9796), (2212, 9424), (2356, 8848), (2449, 8512), (2528, 8246), (3002, 6944), (3472, 6004), (4123, 5056), (4256, 4898), (4424, 4712)]