20118925568

素因数分解:

$2^8\times 7^1\times {\mathrm{1013}}^1\times {\mathrm{11083}}^1$

素因数の和:12119

約数の個数: 72

約数和(自身を含む): 45945751488

約数和(自身を除く): 25826825920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1013, 1792, 2026, 4052, 7091, 8104, 11083, 14182, 16208, 22166, 28364, 32416, 44332, 56728, 64832, 77581, 88664, 113456, 129664, 155162, 177328, 226912, 259328, 310324, 354656, 453824, 620648, 709312, 907648, 1241296, 1418624, 1815296, 2482592, 2837248, 4965184, 9930368, 11227079, 19860736, 22454158, 44908316, 78589553, 89816632, 157179106, 179633264, 314358212, 359266528, 628716424, 718533056, 1257432848, 1437066112, 2514865696, 2874132224, 5029731392, 10059462784, 20118925568]

約数ペア:

[(1, 20118925568), (2, 10059462784), (4, 5029731392), (7, 2874132224), (8, 2514865696), (14, 1437066112), (16, 1257432848), (28, 718533056), (32, 628716424), (56, 359266528), (64, 314358212), (112, 179633264), (128, 157179106), (224, 89816632), (256, 78589553), (448, 44908316), (896, 22454158), (1013, 19860736), (1792, 11227079), (2026, 9930368), (4052, 4965184), (7091, 2837248), (8104, 2482592), (11083, 1815296), (14182, 1418624), (16208, 1241296), (22166, 907648), (28364, 709312), (32416, 620648), (44332, 453824), (56728, 354656), (64832, 310324), (77581, 259328), (88664, 226912), (113456, 177328), (129664, 155162)]