20764380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3803}}^1$

素因数の和:3835

約数の個数: 96

約数和(自身を含む): 71576064

約数和(自身を除く): 50811684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3803, 5460, 7606, 11409, 15212, 19015, 22818, 26621, 38030, 45636, 49439, 53242, 57045, 76060, 79863, 98878, 106484, 114090, 133105, 148317, 159726, 197756, 228180, 247195, 266210, 296634, 319452, 346073, 399315, 494390, 532420, 593268, 692146, 741585, 798630, 988780, 1038219, 1384292, 1483170, 1597260, 1730365, 2076438, 2966340, 3460730, 4152876, 5191095, 6921460, 10382190, 20764380]

約数ペア:

[(1, 20764380), (2, 10382190), (3, 6921460), (4, 5191095), (5, 4152876), (6, 3460730), (7, 2966340), (10, 2076438), (12, 1730365), (13, 1597260), (14, 1483170), (15, 1384292), (20, 1038219), (21, 988780), (26, 798630), (28, 741585), (30, 692146), (35, 593268), (39, 532420), (42, 494390), (52, 399315), (60, 346073), (65, 319452), (70, 296634), (78, 266210), (84, 247195), (91, 228180), (105, 197756), (130, 159726), (140, 148317), (156, 133105), (182, 114090), (195, 106484), (210, 98878), (260, 79863), (273, 76060), (364, 57045), (390, 53242), (420, 49439), (455, 45636), (546, 38030), (780, 26621), (910, 22818), (1092, 19015), (1365, 15212), (1820, 11409), (2730, 7606), (3803, 5460)]