20148864304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{160687}}^1$

素因数の和:161173

約数の個数: 40

約数和(自身を含む): 41424723648

約数和(自身を除く): 21275859344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 461, 922, 1844, 3688, 7376, 7837, 15674, 31348, 62696, 125392, 160687, 321374, 642748, 1285496, 2570992, 2731679, 5463358, 10926716, 21853432, 43706864, 74076707, 148153414, 296306828, 592613656, 1185227312, 1259304019, 2518608038, 5037216076, 10074432152, 20148864304]

約数ペア:

[(1, 20148864304), (2, 10074432152), (4, 5037216076), (8, 2518608038), (16, 1259304019), (17, 1185227312), (34, 592613656), (68, 296306828), (136, 148153414), (272, 74076707), (461, 43706864), (922, 21853432), (1844, 10926716), (3688, 5463358), (7376, 2731679), (7837, 2570992), (15674, 1285496), (31348, 642748), (62696, 321374), (125392, 160687)]