20955186

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1125

約数の個数: 80

約数和(自身を含む): 56871936

約数和(自身を除く): 35916750

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 306, 357, 378, 459, 567, 714, 918, 1071, 1087, 1134, 1377, 2142, 2174, 2754, 3213, 3261, 6426, 6522, 7609, 9639, 9783, 15218, 18479, 19278, 19566, 22827, 29349, 36958, 45654, 55437, 58698, 68481, 88047, 110874, 129353, 136962, 166311, 176094, 205443, 258706, 332622, 388059, 410886, 498933, 616329, 776118, 997866, 1164177, 1232658, 1496799, 2328354, 2993598, 3492531, 6985062, 10477593, 20955186]

約数ペア:

[(1, 20955186), (2, 10477593), (3, 6985062), (6, 3492531), (7, 2993598), (9, 2328354), (14, 1496799), (17, 1232658), (18, 1164177), (21, 997866), (27, 776118), (34, 616329), (42, 498933), (51, 410886), (54, 388059), (63, 332622), (81, 258706), (102, 205443), (119, 176094), (126, 166311), (153, 136962), (162, 129353), (189, 110874), (238, 88047), (306, 68481), (357, 58698), (378, 55437), (459, 45654), (567, 36958), (714, 29349), (918, 22827), (1071, 19566), (1087, 19278), (1134, 18479), (1377, 15218), (2142, 9783), (2174, 9639), (2754, 7609), (3213, 6522), (3261, 6426)]