20647515136

素因数分解:

$2^{10}\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{1201}}^1$

素因数の和:1487

約数の個数: 88

約数和(自身を含む): 41966185664

約数和(自身を除く): 21318670528

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 163, 206, 256, 326, 412, 512, 652, 824, 1024, 1201, 1304, 1648, 2402, 2608, 3296, 4804, 5216, 6592, 9608, 10432, 13184, 16789, 19216, 20864, 26368, 33578, 38432, 41728, 52736, 67156, 76864, 83456, 105472, 123703, 134312, 153728, 166912, 195763, 247406, 268624, 307456, 391526, 494812, 537248, 614912, 783052, 989624, 1074496, 1229824, 1566104, 1979248, 2148992, 3132208, 3958496, 4297984, 6264416, 7916992, 8595968, 12528832, 15833984, 17191936, 20163589, 25057664, 31667968, 40327178, 50115328, 63335936, 80654356, 100230656, 126671872, 161308712, 200461312, 322617424, 645234848, 1290469696, 2580939392, 5161878784, 10323757568, 20647515136]

約数ペア:

[(1, 20647515136), (2, 10323757568), (4, 5161878784), (8, 2580939392), (16, 1290469696), (32, 645234848), (64, 322617424), (103, 200461312), (128, 161308712), (163, 126671872), (206, 100230656), (256, 80654356), (326, 63335936), (412, 50115328), (512, 40327178), (652, 31667968), (824, 25057664), (1024, 20163589), (1201, 17191936), (1304, 15833984), (1648, 12528832), (2402, 8595968), (2608, 7916992), (3296, 6264416), (4804, 4297984), (5216, 3958496), (6592, 3132208), (9608, 2148992), (10432, 1979248), (13184, 1566104), (16789, 1229824), (19216, 1074496), (20864, 989624), (26368, 783052), (33578, 614912), (38432, 537248), (41728, 494812), (52736, 391526), (67156, 307456), (76864, 268624), (83456, 247406), (105472, 195763), (123703, 166912), (134312, 153728)]