20722048

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 44614800

約数和(自身を除く): 23892752

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 107, 128, 136, 178, 214, 272, 356, 428, 544, 712, 856, 1088, 1424, 1513, 1712, 1819, 2176, 2848, 3026, 3424, 3638, 5696, 6052, 6848, 7276, 9523, 11392, 12104, 13696, 14552, 19046, 24208, 29104, 38092, 48416, 58208, 76184, 96832, 116416, 152368, 161891, 193664, 232832, 304736, 323782, 609472, 647564, 1218944, 1295128, 2590256, 5180512, 10361024, 20722048]

約数ペア:

[(1, 20722048), (2, 10361024), (4, 5180512), (8, 2590256), (16, 1295128), (17, 1218944), (32, 647564), (34, 609472), (64, 323782), (68, 304736), (89, 232832), (107, 193664), (128, 161891), (136, 152368), (178, 116416), (214, 96832), (272, 76184), (356, 58208), (428, 48416), (544, 38092), (712, 29104), (856, 24208), (1088, 19046), (1424, 14552), (1513, 13696), (1712, 12104), (1819, 11392), (2176, 9523), (2848, 7276), (3026, 6848), (3424, 6052), (3638, 5696)]