20185704

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 68883360

約数和(自身を除く): 48697656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 121, 126, 132, 154, 168, 198, 231, 242, 252, 264, 308, 331, 363, 396, 462, 484, 504, 616, 662, 693, 726, 792, 847, 924, 968, 993, 1089, 1324, 1386, 1452, 1694, 1848, 1986, 2178, 2317, 2541, 2648, 2772, 2904, 2979, 3388, 3641, 3972, 4356, 4634, 5082, 5544, 5958, 6776, 6951, 7282, 7623, 7944, 8712, 9268, 10164, 10923, 11916, 13902, 14564, 15246, 18536, 20328, 20853, 21846, 23832, 25487, 27804, 29128, 30492, 32769, 40051, 41706, 43692, 50974, 55608, 60984, 65538, 76461, 80102, 83412, 87384, 101948, 120153, 131076, 152922, 160204, 166824, 203896, 229383, 240306, 262152, 280357, 305844, 320408, 360459, 458766, 480612, 560714, 611688, 720918, 841071, 917532, 961224, 1121428, 1441836, 1682142, 1835064, 2242856, 2523213, 2883672, 3364284, 5046426, 6728568, 10092852, 20185704]

約数ペア:

[(1, 20185704), (2, 10092852), (3, 6728568), (4, 5046426), (6, 3364284), (7, 2883672), (8, 2523213), (9, 2242856), (11, 1835064), (12, 1682142), (14, 1441836), (18, 1121428), (21, 961224), (22, 917532), (24, 841071), (28, 720918), (33, 611688), (36, 560714), (42, 480612), (44, 458766), (56, 360459), (63, 320408), (66, 305844), (72, 280357), (77, 262152), (84, 240306), (88, 229383), (99, 203896), (121, 166824), (126, 160204), (132, 152922), (154, 131076), (168, 120153), (198, 101948), (231, 87384), (242, 83412), (252, 80102), (264, 76461), (308, 65538), (331, 60984), (363, 55608), (396, 50974), (462, 43692), (484, 41706), (504, 40051), (616, 32769), (662, 30492), (693, 29128), (726, 27804), (792, 25487), (847, 23832), (924, 21846), (968, 20853), (993, 20328), (1089, 18536), (1324, 15246), (1386, 14564), (1452, 13902), (1694, 11916), (1848, 10923), (1986, 10164), (2178, 9268), (2317, 8712), (2541, 7944), (2648, 7623), (2772, 7282), (2904, 6951), (2979, 6776), (3388, 5958), (3641, 5544), (3972, 5082), (4356, 4634)]