20448012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 55319040

約数和(自身を除く): 34871028

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 41, 46, 52, 69, 78, 82, 92, 123, 138, 139, 156, 164, 246, 276, 278, 299, 417, 492, 533, 556, 598, 834, 897, 943, 1066, 1196, 1599, 1668, 1794, 1807, 1886, 2132, 2829, 3197, 3198, 3588, 3614, 3772, 5421, 5658, 5699, 6394, 6396, 7228, 9591, 10842, 11316, 11398, 12259, 12788, 17097, 19182, 21684, 22796, 24518, 34194, 36777, 38364, 41561, 49036, 68388, 73554, 74087, 83122, 124683, 131077, 147108, 148174, 166244, 222261, 249366, 262154, 296348, 393231, 444522, 498732, 524308, 786462, 889044, 1572924, 1704001, 3408002, 5112003, 6816004, 10224006, 20448012]

約数ペア:

[(1, 20448012), (2, 10224006), (3, 6816004), (4, 5112003), (6, 3408002), (12, 1704001), (13, 1572924), (23, 889044), (26, 786462), (39, 524308), (41, 498732), (46, 444522), (52, 393231), (69, 296348), (78, 262154), (82, 249366), (92, 222261), (123, 166244), (138, 148174), (139, 147108), (156, 131077), (164, 124683), (246, 83122), (276, 74087), (278, 73554), (299, 68388), (417, 49036), (492, 41561), (533, 38364), (556, 36777), (598, 34194), (834, 24518), (897, 22796), (943, 21684), (1066, 19182), (1196, 17097), (1599, 12788), (1668, 12259), (1794, 11398), (1807, 11316), (1886, 10842), (2132, 9591), (2829, 7228), (3197, 6396), (3198, 6394), (3588, 5699), (3614, 5658), (3772, 5421)]