20619712

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:609

約数の個数: 56

約数和(自身を含む): 44541440

約数和(自身を除く): 23921728

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 547, 589, 608, 992, 1094, 1178, 1216, 1984, 2188, 2356, 4376, 4712, 8752, 9424, 10393, 16957, 17504, 18848, 20786, 33914, 35008, 37696, 41572, 67828, 83144, 135656, 166288, 271312, 322183, 332576, 542624, 644366, 665152, 1085248, 1288732, 2577464, 5154928, 10309856, 20619712]

約数ペア:

[(1, 20619712), (2, 10309856), (4, 5154928), (8, 2577464), (16, 1288732), (19, 1085248), (31, 665152), (32, 644366), (38, 542624), (62, 332576), (64, 322183), (76, 271312), (124, 166288), (152, 135656), (248, 83144), (304, 67828), (496, 41572), (547, 37696), (589, 35008), (608, 33914), (992, 20786), (1094, 18848), (1178, 17504), (1216, 16957), (1984, 10393), (2188, 9424), (2356, 8752), (4376, 4712)]