20419992

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 41269608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 67, 68, 72, 83, 102, 108, 134, 136, 153, 166, 201, 204, 216, 249, 268, 306, 332, 402, 408, 459, 498, 536, 603, 612, 664, 747, 804, 918, 996, 1139, 1206, 1224, 1411, 1494, 1608, 1809, 1836, 1992, 2241, 2278, 2412, 2822, 2988, 3417, 3618, 3672, 4233, 4482, 4556, 4824, 5561, 5644, 5976, 6834, 7236, 8466, 8964, 9112, 10251, 11122, 11288, 12699, 13668, 14472, 16683, 16932, 17928, 20502, 22244, 25398, 27336, 30753, 33366, 33864, 38097, 41004, 44488, 50049, 50796, 61506, 66732, 76194, 82008, 94537, 100098, 101592, 123012, 133464, 150147, 152388, 189074, 200196, 246024, 283611, 300294, 304776, 378148, 400392, 567222, 600588, 756296, 850833, 1134444, 1201176, 1701666, 2268888, 2552499, 3403332, 5104998, 6806664, 10209996, 20419992]

約数ペア:

[(1, 20419992), (2, 10209996), (3, 6806664), (4, 5104998), (6, 3403332), (8, 2552499), (9, 2268888), (12, 1701666), (17, 1201176), (18, 1134444), (24, 850833), (27, 756296), (34, 600588), (36, 567222), (51, 400392), (54, 378148), (67, 304776), (68, 300294), (72, 283611), (83, 246024), (102, 200196), (108, 189074), (134, 152388), (136, 150147), (153, 133464), (166, 123012), (201, 101592), (204, 100098), (216, 94537), (249, 82008), (268, 76194), (306, 66732), (332, 61506), (402, 50796), (408, 50049), (459, 44488), (498, 41004), (536, 38097), (603, 33864), (612, 33366), (664, 30753), (747, 27336), (804, 25398), (918, 22244), (996, 20502), (1139, 17928), (1206, 16932), (1224, 16683), (1411, 14472), (1494, 13668), (1608, 12699), (1809, 11288), (1836, 11122), (1992, 10251), (2241, 9112), (2278, 8964), (2412, 8466), (2822, 7236), (2988, 6834), (3417, 5976), (3618, 5644), (3672, 5561), (4233, 4824), (4482, 4556)]