20120884575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{3049}}^1$

素因数の和:3513

約数の個数: 96

約数和(自身を含む): 38304096000

約数和(自身を除く): 18183211425

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 421, 475, 627, 825, 1045, 1263, 1425, 2105, 3049, 3135, 4631, 5225, 6315, 7999, 9147, 10525, 13893, 15245, 15675, 23155, 23997, 31575, 33539, 39995, 45735, 57931, 69465, 76225, 87989, 100617, 115775, 119985, 167695, 173793, 199975, 228675, 263967, 289655, 347325, 439945, 503085, 599925, 637241, 838475, 868965, 1283629, 1319835, 1448275, 1911723, 2199725, 2515425, 3186205, 3850887, 4344825, 6418145, 6599175, 9558615, 14119919, 15931025, 19254435, 24388951, 32090725, 42359757, 47793075, 70599595, 73166853, 96272175, 121944755, 211798785, 268278461, 352997975, 365834265, 609723775, 804835383, 1058993925, 1341392305, 1829171325, 4024176915, 6706961525, 20120884575]

約数ペア:

[(1, 20120884575), (3, 6706961525), (5, 4024176915), (11, 1829171325), (15, 1341392305), (19, 1058993925), (25, 804835383), (33, 609723775), (55, 365834265), (57, 352997975), (75, 268278461), (95, 211798785), (165, 121944755), (209, 96272175), (275, 73166853), (285, 70599595), (421, 47793075), (475, 42359757), (627, 32090725), (825, 24388951), (1045, 19254435), (1263, 15931025), (1425, 14119919), (2105, 9558615), (3049, 6599175), (3135, 6418145), (4631, 4344825), (5225, 3850887), (6315, 3186205), (7999, 2515425), (9147, 2199725), (10525, 1911723), (13893, 1448275), (15245, 1319835), (15675, 1283629), (23155, 868965), (23997, 838475), (31575, 637241), (33539, 599925), (39995, 503085), (45735, 439945), (57931, 347325), (69465, 289655), (76225, 263967), (87989, 228675), (100617, 199975), (115775, 173793), (119985, 167695)]