20506624

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 26667776

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 248, 256, 272, 304, 323, 496, 512, 527, 544, 589, 608, 646, 992, 1024, 1054, 1088, 1178, 1216, 1292, 1984, 2048, 2108, 2176, 2356, 2432, 2584, 3968, 4216, 4352, 4712, 4864, 5168, 7936, 8432, 8704, 9424, 9728, 10013, 10336, 15872, 16864, 17408, 18848, 19456, 20026, 20672, 31744, 33728, 34816, 37696, 38912, 40052, 41344, 63488, 67456, 75392, 80104, 82688, 134912, 150784, 160208, 165376, 269824, 301568, 320416, 330752, 539648, 603136, 640832, 661504, 1079296, 1206272, 1281664, 2563328, 5126656, 10253312, 20506624]

約数ペア:

[(1, 20506624), (2, 10253312), (4, 5126656), (8, 2563328), (16, 1281664), (17, 1206272), (19, 1079296), (31, 661504), (32, 640832), (34, 603136), (38, 539648), (62, 330752), (64, 320416), (68, 301568), (76, 269824), (124, 165376), (128, 160208), (136, 150784), (152, 134912), (248, 82688), (256, 80104), (272, 75392), (304, 67456), (323, 63488), (496, 41344), (512, 40052), (527, 38912), (544, 37696), (589, 34816), (608, 33728), (646, 31744), (992, 20672), (1024, 20026), (1054, 19456), (1088, 18848), (1178, 17408), (1216, 16864), (1292, 15872), (1984, 10336), (2048, 10013), (2108, 9728), (2176, 9424), (2356, 8704), (2432, 8432), (2584, 7936), (3968, 5168), (4216, 4864), (4352, 4712)]