20124144

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 59966400

約数和(自身を除く): 39842256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 61, 72, 79, 87, 116, 122, 144, 158, 174, 183, 232, 237, 244, 261, 316, 348, 366, 464, 474, 488, 522, 549, 632, 696, 711, 732, 948, 976, 1044, 1098, 1264, 1392, 1422, 1464, 1769, 1896, 2088, 2196, 2291, 2844, 2928, 3538, 3792, 4176, 4392, 4582, 4819, 5307, 5688, 6873, 7076, 8784, 9164, 9638, 10614, 11376, 13746, 14152, 14457, 15921, 18328, 19276, 20619, 21228, 27492, 28304, 28914, 31842, 36656, 38552, 41238, 42456, 43371, 54984, 57828, 63684, 77104, 82476, 84912, 86742, 109968, 115656, 127368, 139751, 164952, 173484, 231312, 254736, 279502, 329904, 346968, 419253, 559004, 693936, 838506, 1118008, 1257759, 1677012, 2236016, 2515518, 3354024, 5031036, 6708048, 10062072, 20124144]

約数ペア:

[(1, 20124144), (2, 10062072), (3, 6708048), (4, 5031036), (6, 3354024), (8, 2515518), (9, 2236016), (12, 1677012), (16, 1257759), (18, 1118008), (24, 838506), (29, 693936), (36, 559004), (48, 419253), (58, 346968), (61, 329904), (72, 279502), (79, 254736), (87, 231312), (116, 173484), (122, 164952), (144, 139751), (158, 127368), (174, 115656), (183, 109968), (232, 86742), (237, 84912), (244, 82476), (261, 77104), (316, 63684), (348, 57828), (366, 54984), (464, 43371), (474, 42456), (488, 41238), (522, 38552), (549, 36656), (632, 31842), (696, 28914), (711, 28304), (732, 27492), (948, 21228), (976, 20619), (1044, 19276), (1098, 18328), (1264, 15921), (1392, 14457), (1422, 14152), (1464, 13746), (1769, 11376), (1896, 10614), (2088, 9638), (2196, 9164), (2291, 8784), (2844, 7076), (2928, 6873), (3538, 5688), (3792, 5307), (4176, 4819), (4392, 4582)]