20138746624

素因数分解:

$2^8\times {\mathrm{191}}^1\times {\mathrm{241}}^1\times {\mathrm{1709}}^1$

素因数の和:2157

約数の個数: 72

約数和(自身を含む): 40600707840

約数和(自身を除く): 20461961216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 241, 256, 382, 482, 764, 964, 1528, 1709, 1928, 3056, 3418, 3856, 6112, 6836, 7712, 12224, 13672, 15424, 24448, 27344, 30848, 46031, 48896, 54688, 61696, 92062, 109376, 184124, 218752, 326419, 368248, 411869, 437504, 652838, 736496, 823738, 1305676, 1472992, 1647476, 2611352, 2945984, 3294952, 5222704, 5891968, 6589904, 10445408, 11783936, 13179808, 20890816, 26359616, 41781632, 52719232, 78666979, 83563264, 105438464, 157333958, 314667916, 629335832, 1258671664, 2517343328, 5034686656, 10069373312, 20138746624]

約数ペア:

[(1, 20138746624), (2, 10069373312), (4, 5034686656), (8, 2517343328), (16, 1258671664), (32, 629335832), (64, 314667916), (128, 157333958), (191, 105438464), (241, 83563264), (256, 78666979), (382, 52719232), (482, 41781632), (764, 26359616), (964, 20890816), (1528, 13179808), (1709, 11783936), (1928, 10445408), (3056, 6589904), (3418, 5891968), (3856, 5222704), (6112, 3294952), (6836, 2945984), (7712, 2611352), (12224, 1647476), (13672, 1472992), (15424, 1305676), (24448, 823738), (27344, 736496), (30848, 652838), (46031, 437504), (48896, 411869), (54688, 368248), (61696, 326419), (92062, 218752), (109376, 184124)]