20118684012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{1171}}^1$

素因数の和:1732

約数の個数: 144

約数和(自身を含む): 55666437120

約数和(自身を除く): 35547753108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 479, 588, 732, 854, 958, 1171, 1281, 1437, 1708, 1916, 2342, 2562, 2874, 2989, 3353, 3513, 4684, 5124, 5748, 5978, 6706, 7026, 8197, 8967, 10059, 11956, 13412, 14052, 16394, 17934, 20118, 23471, 24591, 29219, 32788, 35868, 40236, 46942, 49182, 57379, 58438, 70413, 71431, 87657, 93884, 98364, 114758, 116876, 140826, 142862, 172137, 175314, 204533, 214293, 229516, 281652, 285724, 344274, 350628, 409066, 428586, 500017, 560909, 613599, 688548, 818132, 857172, 1000034, 1121818, 1227198, 1431731, 1500051, 1682727, 2000068, 2243636, 2454396, 2863462, 3000102, 3365454, 3500119, 3926363, 4295193, 5726924, 6000204, 6730908, 7000238, 7852726, 8590386, 10500357, 11779089, 14000476, 15705452, 17180772, 21000714, 23558178, 27484541, 34215449, 42001428, 47116356, 54969082, 68430898, 82453623, 102646347, 109938164, 136861796, 164907246, 205292694, 239508143, 329814492, 410585388, 479016286, 718524429, 958032572, 1437048858, 1676557001, 2874097716, 3353114002, 5029671003, 6706228004, 10059342006, 20118684012]

約数ペア:

[(1, 20118684012), (2, 10059342006), (3, 6706228004), (4, 5029671003), (6, 3353114002), (7, 2874097716), (12, 1676557001), (14, 1437048858), (21, 958032572), (28, 718524429), (42, 479016286), (49, 410585388), (61, 329814492), (84, 239508143), (98, 205292694), (122, 164907246), (147, 136861796), (183, 109938164), (196, 102646347), (244, 82453623), (294, 68430898), (366, 54969082), (427, 47116356), (479, 42001428), (588, 34215449), (732, 27484541), (854, 23558178), (958, 21000714), (1171, 17180772), (1281, 15705452), (1437, 14000476), (1708, 11779089), (1916, 10500357), (2342, 8590386), (2562, 7852726), (2874, 7000238), (2989, 6730908), (3353, 6000204), (3513, 5726924), (4684, 4295193), (5124, 3926363), (5748, 3500119), (5978, 3365454), (6706, 3000102), (7026, 2863462), (8197, 2454396), (8967, 2243636), (10059, 2000068), (11956, 1682727), (13412, 1500051), (14052, 1431731), (16394, 1227198), (17934, 1121818), (20118, 1000034), (23471, 857172), (24591, 818132), (29219, 688548), (32788, 613599), (35868, 560909), (40236, 500017), (46942, 428586), (49182, 409066), (57379, 350628), (58438, 344274), (70413, 285724), (71431, 281652), (87657, 229516), (93884, 214293), (98364, 204533), (114758, 175314), (116876, 172137), (140826, 142862)]