20970112

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 25297088

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 184, 272, 368, 391, 419, 544, 736, 782, 838, 1088, 1472, 1564, 1676, 2176, 2944, 3128, 3352, 6256, 6704, 7123, 9637, 12512, 13408, 14246, 19274, 25024, 26816, 28492, 38548, 50048, 53632, 56984, 77096, 113968, 154192, 163829, 227936, 308384, 327658, 455872, 616768, 655316, 911744, 1233536, 1310632, 2621264, 5242528, 10485056, 20970112]

約数ペア:

[(1, 20970112), (2, 10485056), (4, 5242528), (8, 2621264), (16, 1310632), (17, 1233536), (23, 911744), (32, 655316), (34, 616768), (46, 455872), (64, 327658), (68, 308384), (92, 227936), (128, 163829), (136, 154192), (184, 113968), (272, 77096), (368, 56984), (391, 53632), (419, 50048), (544, 38548), (736, 28492), (782, 26816), (838, 25024), (1088, 19274), (1472, 14246), (1564, 13408), (1676, 12512), (2176, 9637), (2944, 7123), (3128, 6704), (3352, 6256)]