20893476

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 55496448

約数和(自身を除く): 34602972

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 61, 68, 69, 73, 92, 102, 122, 138, 146, 183, 204, 219, 244, 276, 292, 366, 391, 438, 732, 782, 876, 1037, 1173, 1241, 1403, 1564, 1679, 2074, 2346, 2482, 2806, 3111, 3358, 3723, 4148, 4209, 4453, 4692, 4964, 5037, 5612, 6222, 6716, 7446, 8418, 8906, 10074, 12444, 13359, 14892, 16836, 17812, 20148, 23851, 26718, 28543, 47702, 53436, 57086, 71553, 75701, 85629, 95404, 102419, 114172, 143106, 151402, 171258, 204838, 227103, 286212, 302804, 307257, 342516, 409676, 454206, 614514, 908412, 1229028, 1741123, 3482246, 5223369, 6964492, 10446738, 20893476]

約数ペア:

[(1, 20893476), (2, 10446738), (3, 6964492), (4, 5223369), (6, 3482246), (12, 1741123), (17, 1229028), (23, 908412), (34, 614514), (46, 454206), (51, 409676), (61, 342516), (68, 307257), (69, 302804), (73, 286212), (92, 227103), (102, 204838), (122, 171258), (138, 151402), (146, 143106), (183, 114172), (204, 102419), (219, 95404), (244, 85629), (276, 75701), (292, 71553), (366, 57086), (391, 53436), (438, 47702), (732, 28543), (782, 26718), (876, 23851), (1037, 20148), (1173, 17812), (1241, 16836), (1403, 14892), (1564, 13359), (1679, 12444), (2074, 10074), (2346, 8906), (2482, 8418), (2806, 7446), (3111, 6716), (3358, 6222), (3723, 5612), (4148, 5037), (4209, 4964), (4453, 4692)]