20921032728

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{22699}}^1$

素因数の和:22982

約数の個数: 128

約数和(自身を含む): 61780320000

約数和(自身を除く): 40859287272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 251, 306, 408, 459, 502, 612, 753, 918, 1004, 1224, 1506, 1836, 2008, 2259, 3012, 3672, 4267, 4518, 6024, 6777, 8534, 9036, 12801, 13554, 17068, 18072, 22699, 25602, 27108, 34136, 38403, 45398, 51204, 54216, 68097, 76806, 90796, 102408, 115209, 136194, 153612, 181592, 204291, 230418, 272388, 307224, 385883, 408582, 460836, 544776, 612873, 771766, 817164, 921672, 1157649, 1225746, 1543532, 1634328, 2315298, 2451492, 3087064, 3472947, 4630596, 4902984, 5697449, 6945894, 9261192, 10418841, 11394898, 13891788, 17092347, 20837682, 22789796, 27783576, 34184694, 41675364, 45579592, 51277041, 68369388, 83350728, 96856633, 102554082, 136738776, 153831123, 193713266, 205108164, 290569899, 307662246, 387426532, 410216328, 581139798, 615324492, 774853064, 871709697, 1162279596, 1230648984, 1743419394, 2324559192, 2615129091, 3486838788, 5230258182, 6973677576, 10460516364, 20921032728]

約数ペア:

[(1, 20921032728), (2, 10460516364), (3, 6973677576), (4, 5230258182), (6, 3486838788), (8, 2615129091), (9, 2324559192), (12, 1743419394), (17, 1230648984), (18, 1162279596), (24, 871709697), (27, 774853064), (34, 615324492), (36, 581139798), (51, 410216328), (54, 387426532), (68, 307662246), (72, 290569899), (102, 205108164), (108, 193713266), (136, 153831123), (153, 136738776), (204, 102554082), (216, 96856633), (251, 83350728), (306, 68369388), (408, 51277041), (459, 45579592), (502, 41675364), (612, 34184694), (753, 27783576), (918, 22789796), (1004, 20837682), (1224, 17092347), (1506, 13891788), (1836, 11394898), (2008, 10418841), (2259, 9261192), (3012, 6945894), (3672, 5697449), (4267, 4902984), (4518, 4630596), (6024, 3472947), (6777, 3087064), (8534, 2451492), (9036, 2315298), (12801, 1634328), (13554, 1543532), (17068, 1225746), (18072, 1157649), (22699, 921672), (25602, 817164), (27108, 771766), (34136, 612873), (38403, 544776), (45398, 460836), (51204, 408582), (54216, 385883), (68097, 307224), (76806, 272388), (90796, 230418), (102408, 204291), (115209, 181592), (136194, 153612)]