20177683372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2113289}}^1$

素因数の和:2113342

約数の個数: 48

約数和(自身を含む): 45444188160

約数和(自身を除く): 25266504788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 2113289, 4226578, 8453156, 14793023, 23246179, 29586046, 46492358, 59172092, 65511959, 92984716, 131023918, 162723253, 262047836, 325446506, 458583713, 650893012, 720631549, 917167426, 1441263098, 1834334852, 2882526196, 5044420843, 10088841686, 20177683372]

約数ペア:

[(1, 20177683372), (2, 10088841686), (4, 5044420843), (7, 2882526196), (11, 1834334852), (14, 1441263098), (22, 917167426), (28, 720631549), (31, 650893012), (44, 458583713), (62, 325446506), (77, 262047836), (124, 162723253), (154, 131023918), (217, 92984716), (308, 65511959), (341, 59172092), (434, 46492358), (682, 29586046), (868, 23246179), (1364, 14793023), (2387, 8453156), (4774, 4226578), (9548, 2113289)]