20571826170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1\times {\mathrm{1223}}^1$

素因数の和:1876

約数の個数: 128

約数和(自身を含む): 56920817664

約数和(自身を除く): 36348991494

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 463, 519, 865, 926, 1038, 1211, 1223, 1389, 1730, 2315, 2422, 2446, 2595, 2778, 3241, 3633, 3669, 4630, 5190, 6055, 6115, 6482, 6945, 7266, 7338, 8561, 9723, 12110, 12230, 13890, 16205, 17122, 18165, 18345, 19446, 25683, 32410, 36330, 36690, 42805, 48615, 51366, 80099, 85610, 97230, 128415, 160198, 211579, 240297, 256830, 400495, 423158, 480594, 560693, 566249, 634737, 800990, 1057895, 1121386, 1132498, 1201485, 1269474, 1481053, 1682079, 1698747, 2115790, 2402970, 2803465, 2831245, 2962106, 3173685, 3364158, 3397494, 3963743, 4443159, 5606930, 5662490, 6347370, 7405265, 7927486, 8410395, 8493735, 8886318, 11891229, 14810530, 16820790, 16987470, 19818715, 22215795, 23782458, 39637430, 44431590, 59456145, 97961077, 118912290, 195922154, 293883231, 489805385, 587766462, 685727539, 979610770, 1371455078, 1469416155, 2057182617, 2938832310, 3428637695, 4114365234, 6857275390, 10285913085, 20571826170]

約数ペア:

[(1, 20571826170), (2, 10285913085), (3, 6857275390), (5, 4114365234), (6, 3428637695), (7, 2938832310), (10, 2057182617), (14, 1469416155), (15, 1371455078), (21, 979610770), (30, 685727539), (35, 587766462), (42, 489805385), (70, 293883231), (105, 195922154), (173, 118912290), (210, 97961077), (346, 59456145), (463, 44431590), (519, 39637430), (865, 23782458), (926, 22215795), (1038, 19818715), (1211, 16987470), (1223, 16820790), (1389, 14810530), (1730, 11891229), (2315, 8886318), (2422, 8493735), (2446, 8410395), (2595, 7927486), (2778, 7405265), (3241, 6347370), (3633, 5662490), (3669, 5606930), (4630, 4443159), (5190, 3963743), (6055, 3397494), (6115, 3364158), (6482, 3173685), (6945, 2962106), (7266, 2831245), (7338, 2803465), (8561, 2402970), (9723, 2115790), (12110, 1698747), (12230, 1682079), (13890, 1481053), (16205, 1269474), (17122, 1201485), (18165, 1132498), (18345, 1121386), (19446, 1057895), (25683, 800990), (32410, 634737), (36330, 566249), (36690, 560693), (42805, 480594), (48615, 423158), (51366, 400495), (80099, 256830), (85610, 240297), (97230, 211579), (128415, 160198)]