20198532904

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{12413}}^1$

素因数の和:12523

約数の個数: 72

約数和(自身を含む): 42671697390

約数和(自身を除く): 22473164486

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 121, 164, 242, 328, 451, 484, 902, 968, 1681, 1804, 3362, 3608, 4961, 6724, 9922, 12413, 13448, 18491, 19844, 24826, 36982, 39688, 49652, 73964, 99304, 136543, 147928, 203401, 273086, 406802, 508933, 546172, 813604, 1017866, 1092344, 1501973, 1627208, 2035732, 3003946, 4071464, 5598263, 6007892, 11196526, 12015784, 20866253, 22393052, 41732506, 44786104, 61580893, 83465012, 123161786, 166930024, 229528783, 246323572, 459057566, 492647144, 918115132, 1836230264, 2524816613, 5049633226, 10099266452, 20198532904]

約数ペア:

[(1, 20198532904), (2, 10099266452), (4, 5049633226), (8, 2524816613), (11, 1836230264), (22, 918115132), (41, 492647144), (44, 459057566), (82, 246323572), (88, 229528783), (121, 166930024), (164, 123161786), (242, 83465012), (328, 61580893), (451, 44786104), (484, 41732506), (902, 22393052), (968, 20866253), (1681, 12015784), (1804, 11196526), (3362, 6007892), (3608, 5598263), (4961, 4071464), (6724, 3003946), (9922, 2035732), (12413, 1627208), (13448, 1501973), (18491, 1092344), (19844, 1017866), (24826, 813604), (36982, 546172), (39688, 508933), (49652, 406802), (73964, 273086), (99304, 203401), (136543, 147928)]