20147490976

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1\times {\mathrm{563}}^1$

素因数の和:1166

約数の個数: 96

約数和(自身を含む): 42442263360

約数和(自身を除く): 22294772384

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 419, 544, 563, 628, 838, 1126, 1256, 1676, 2252, 2512, 2669, 3352, 4504, 5024, 5338, 6704, 7123, 9008, 9571, 10676, 13408, 14246, 18016, 19142, 21352, 28492, 38284, 42704, 56984, 65783, 76568, 85408, 88391, 113968, 131566, 153136, 176782, 227936, 235897, 263132, 306272, 353564, 471794, 526264, 707128, 943588, 1052528, 1118311, 1414256, 1502647, 1887176, 2105056, 2236622, 2828512, 3005294, 3774352, 4010249, 4473244, 6010588, 7548704, 8020498, 8946488, 12021176, 16040996, 17892976, 24042352, 32081992, 35785952, 37035829, 48084704, 64163984, 74071658, 128327968, 148143316, 296286632, 592573264, 629609093, 1185146528, 1259218186, 2518436372, 5036872744, 10073745488, 20147490976]

約数ペア:

[(1, 20147490976), (2, 10073745488), (4, 5036872744), (8, 2518436372), (16, 1259218186), (17, 1185146528), (32, 629609093), (34, 592573264), (68, 296286632), (136, 148143316), (157, 128327968), (272, 74071658), (314, 64163984), (419, 48084704), (544, 37035829), (563, 35785952), (628, 32081992), (838, 24042352), (1126, 17892976), (1256, 16040996), (1676, 12021176), (2252, 8946488), (2512, 8020498), (2669, 7548704), (3352, 6010588), (4504, 4473244), (5024, 4010249), (5338, 3774352), (6704, 3005294), (7123, 2828512), (9008, 2236622), (9571, 2105056), (10676, 1887176), (13408, 1502647), (14246, 1414256), (18016, 1118311), (19142, 1052528), (21352, 943588), (28492, 707128), (38284, 526264), (42704, 471794), (56984, 353564), (65783, 306272), (76568, 263132), (85408, 235897), (88391, 227936), (113968, 176782), (131566, 153136)]