20178177460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{4651}}^1$

素因数の和:4926

約数の個数: 144

約数和(自身を含む): 52120635840

約数和(自身を除く): 31942458380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 233, 245, 266, 380, 466, 490, 532, 665, 931, 932, 980, 1165, 1330, 1631, 1862, 2330, 2660, 3262, 3724, 4427, 4651, 4655, 4660, 6524, 8155, 8854, 9302, 9310, 11417, 16310, 17708, 18604, 18620, 22135, 22834, 23255, 30989, 32557, 32620, 44270, 45668, 46510, 57085, 61978, 65114, 88369, 88540, 93020, 114170, 123956, 130228, 154945, 162785, 176738, 216923, 227899, 228340, 309890, 325570, 353476, 433846, 441845, 455798, 618583, 619780, 651140, 867692, 883690, 911596, 1083683, 1084615, 1139495, 1237166, 1767380, 2167366, 2169230, 2278990, 2474332, 3092915, 4330081, 4334732, 4338460, 4557980, 5418415, 6185830, 7585781, 8660162, 10836830, 12371660, 15171562, 17320324, 20589977, 21650405, 21673660, 30343124, 37928905, 41179954, 43300810, 53100467, 75857810, 82359908, 86601620, 102949885, 106200934, 144129839, 151715620, 205899770, 212401868, 265502335, 288259678, 411799540, 531004670, 576519356, 720649195, 1008908873, 1062009340, 1441298390, 2017817746, 2882596780, 4035635492, 5044544365, 10089088730, 20178177460]

約数ペア:

[(1, 20178177460), (2, 10089088730), (4, 5044544365), (5, 4035635492), (7, 2882596780), (10, 2017817746), (14, 1441298390), (19, 1062009340), (20, 1008908873), (28, 720649195), (35, 576519356), (38, 531004670), (49, 411799540), (70, 288259678), (76, 265502335), (95, 212401868), (98, 205899770), (133, 151715620), (140, 144129839), (190, 106200934), (196, 102949885), (233, 86601620), (245, 82359908), (266, 75857810), (380, 53100467), (466, 43300810), (490, 41179954), (532, 37928905), (665, 30343124), (931, 21673660), (932, 21650405), (980, 20589977), (1165, 17320324), (1330, 15171562), (1631, 12371660), (1862, 10836830), (2330, 8660162), (2660, 7585781), (3262, 6185830), (3724, 5418415), (4427, 4557980), (4651, 4338460), (4655, 4334732), (4660, 4330081), (6524, 3092915), (8155, 2474332), (8854, 2278990), (9302, 2169230), (9310, 2167366), (11417, 1767380), (16310, 1237166), (17708, 1139495), (18604, 1084615), (18620, 1083683), (22135, 911596), (22834, 883690), (23255, 867692), (30989, 651140), (32557, 619780), (32620, 618583), (44270, 455798), (45668, 441845), (46510, 433846), (57085, 353476), (61978, 325570), (65114, 309890), (88369, 228340), (88540, 227899), (93020, 216923), (114170, 176738), (123956, 162785), (130228, 154945)]