20188564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 43013376

約数和(自身を除く): 22824812

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 41, 44, 62, 76, 82, 124, 164, 209, 341, 361, 418, 451, 589, 682, 722, 779, 836, 902, 1178, 1271, 1364, 1444, 1558, 1804, 2356, 2542, 3116, 3971, 5084, 6479, 7942, 8569, 11191, 12958, 13981, 14801, 15884, 17138, 22382, 24149, 25916, 27962, 29602, 34276, 44764, 48298, 55924, 59204, 96596, 123101, 162811, 246202, 265639, 325622, 458831, 492404, 531278, 651244, 917662, 1062556, 1835324, 5047141, 10094282, 20188564]

約数ペア:

[(1, 20188564), (2, 10094282), (4, 5047141), (11, 1835324), (19, 1062556), (22, 917662), (31, 651244), (38, 531278), (41, 492404), (44, 458831), (62, 325622), (76, 265639), (82, 246202), (124, 162811), (164, 123101), (209, 96596), (341, 59204), (361, 55924), (418, 48298), (451, 44764), (589, 34276), (682, 29602), (722, 27962), (779, 25916), (836, 24149), (902, 22382), (1178, 17138), (1271, 15884), (1364, 14801), (1444, 13981), (1558, 12958), (1804, 11191), (2356, 8569), (2542, 7942), (3116, 6479), (3971, 5084)]