20213665024

素因数分解:

$2^8\times 7^3\times {\mathrm{230203}}^1$

素因数の和:230240

約数の個数: 72

約数和(自身を含む): 47053697600

約数和(自身を除く): 26840032576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2744, 3136, 5488, 6272, 10976, 12544, 21952, 43904, 87808, 230203, 460406, 920812, 1611421, 1841624, 3222842, 3683248, 6445684, 7366496, 11279947, 12891368, 14732992, 22559894, 25782736, 29465984, 45119788, 51565472, 58931968, 78959629, 90239576, 103130944, 157919258, 180479152, 206261888, 315838516, 360958304, 412523776, 631677032, 721916608, 1263354064, 1443833216, 2526708128, 2887666432, 5053416256, 10106832512, 20213665024]

約数ペア:

[(1, 20213665024), (2, 10106832512), (4, 5053416256), (7, 2887666432), (8, 2526708128), (14, 1443833216), (16, 1263354064), (28, 721916608), (32, 631677032), (49, 412523776), (56, 360958304), (64, 315838516), (98, 206261888), (112, 180479152), (128, 157919258), (196, 103130944), (224, 90239576), (256, 78959629), (343, 58931968), (392, 51565472), (448, 45119788), (686, 29465984), (784, 25782736), (896, 22559894), (1372, 14732992), (1568, 12891368), (1792, 11279947), (2744, 7366496), (3136, 6445684), (5488, 3683248), (6272, 3222842), (10976, 1841624), (12544, 1611421), (21952, 920812), (43904, 460406), (87808, 230203)]