20469632

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 45165600

約数和(自身を除く): 24695968

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 184, 272, 368, 391, 409, 544, 736, 782, 818, 1088, 1472, 1564, 1636, 2176, 2944, 3128, 3272, 6256, 6544, 6953, 9407, 12512, 13088, 13906, 18814, 25024, 26176, 27812, 37628, 50048, 52352, 55624, 75256, 111248, 150512, 159919, 222496, 301024, 319838, 444992, 602048, 639676, 889984, 1204096, 1279352, 2558704, 5117408, 10234816, 20469632]

約数ペア:

[(1, 20469632), (2, 10234816), (4, 5117408), (8, 2558704), (16, 1279352), (17, 1204096), (23, 889984), (32, 639676), (34, 602048), (46, 444992), (64, 319838), (68, 301024), (92, 222496), (128, 159919), (136, 150512), (184, 111248), (272, 75256), (368, 55624), (391, 52352), (409, 50048), (544, 37628), (736, 27812), (782, 26176), (818, 25024), (1088, 18814), (1472, 13906), (1564, 13088), (1636, 12512), (2176, 9407), (2944, 6953), (3128, 6544), (3272, 6256)]