20173968

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 160

約数和(自身を含む): 63745920

約数和(自身を除く): 43571952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 41, 48, 51, 54, 67, 68, 72, 82, 102, 108, 123, 134, 136, 144, 153, 164, 201, 204, 216, 246, 268, 272, 306, 328, 369, 402, 408, 432, 459, 492, 536, 603, 612, 656, 697, 738, 804, 816, 918, 984, 1072, 1107, 1139, 1206, 1224, 1394, 1476, 1608, 1809, 1836, 1968, 2091, 2214, 2278, 2412, 2448, 2747, 2788, 2952, 3216, 3417, 3618, 3672, 4182, 4428, 4556, 4824, 5494, 5576, 5904, 6273, 6834, 7236, 7344, 8241, 8364, 8856, 9112, 9648, 10251, 10988, 11152, 12546, 13668, 14472, 16482, 16728, 17712, 18224, 18819, 20502, 21976, 24723, 25092, 27336, 28944, 30753, 32964, 33456, 37638, 41004, 43952, 46699, 49446, 50184, 54672, 61506, 65928, 74169, 75276, 82008, 93398, 98892, 100368, 123012, 131856, 140097, 148338, 150552, 164016, 186796, 197784, 246024, 280194, 296676, 301104, 373592, 395568, 420291, 492048, 560388, 593352, 747184, 840582, 1120776, 1186704, 1260873, 1681164, 2241552, 2521746, 3362328, 5043492, 6724656, 10086984, 20173968]

約数ペア:

[(1, 20173968), (2, 10086984), (3, 6724656), (4, 5043492), (6, 3362328), (8, 2521746), (9, 2241552), (12, 1681164), (16, 1260873), (17, 1186704), (18, 1120776), (24, 840582), (27, 747184), (34, 593352), (36, 560388), (41, 492048), (48, 420291), (51, 395568), (54, 373592), (67, 301104), (68, 296676), (72, 280194), (82, 246024), (102, 197784), (108, 186796), (123, 164016), (134, 150552), (136, 148338), (144, 140097), (153, 131856), (164, 123012), (201, 100368), (204, 98892), (216, 93398), (246, 82008), (268, 75276), (272, 74169), (306, 65928), (328, 61506), (369, 54672), (402, 50184), (408, 49446), (432, 46699), (459, 43952), (492, 41004), (536, 37638), (603, 33456), (612, 32964), (656, 30753), (697, 28944), (738, 27336), (804, 25092), (816, 24723), (918, 21976), (984, 20502), (1072, 18819), (1107, 18224), (1139, 17712), (1206, 16728), (1224, 16482), (1394, 14472), (1476, 13668), (1608, 12546), (1809, 11152), (1836, 10988), (1968, 10251), (2091, 9648), (2214, 9112), (2278, 8856), (2412, 8364), (2448, 8241), (2747, 7344), (2788, 7236), (2952, 6834), (3216, 6273), (3417, 5904), (3618, 5576), (3672, 5494), (4182, 4824), (4428, 4556)]