20153910308

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{358279}}^1$

素因数の和:358345

約数の個数: 48

約数和(自身を含む): 42133728000

約数和(自身を除く): 21979817692

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 574, 686, 1148, 1372, 2009, 4018, 8036, 14063, 28126, 56252, 358279, 716558, 1433116, 2507953, 5015906, 10031812, 14689439, 17555671, 29378878, 35111342, 58757756, 70222684, 102826073, 122889697, 205652146, 245779394, 411304292, 491558788, 719782511, 1439565022, 2879130044, 5038477577, 10076955154, 20153910308]

約数ペア:

[(1, 20153910308), (2, 10076955154), (4, 5038477577), (7, 2879130044), (14, 1439565022), (28, 719782511), (41, 491558788), (49, 411304292), (82, 245779394), (98, 205652146), (164, 122889697), (196, 102826073), (287, 70222684), (343, 58757756), (574, 35111342), (686, 29378878), (1148, 17555671), (1372, 14689439), (2009, 10031812), (4018, 5015906), (8036, 2507953), (14063, 1433116), (28126, 716558), (56252, 358279)]