20149948568

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1\times {\mathrm{1051}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 38856672000

約数和(自身を除く): 18706723432

約数列:

[1, 2, 4, 8, 59, 118, 151, 236, 269, 302, 472, 538, 604, 1051, 1076, 1208, 2102, 2152, 4204, 8408, 8909, 15871, 17818, 31742, 35636, 40619, 62009, 63484, 71272, 81238, 124018, 126968, 158701, 162476, 248036, 282719, 317402, 324952, 496072, 565438, 634804, 1130876, 1269608, 2261752, 2396521, 4793042, 9363359, 9586084, 16680421, 18726718, 19172168, 33360842, 37453436, 42690569, 66721684, 74906872, 85381138, 133443368, 170762276, 341524552, 2518743571, 5037487142, 10074974284, 20149948568]

約数ペア:

[(1, 20149948568), (2, 10074974284), (4, 5037487142), (8, 2518743571), (59, 341524552), (118, 170762276), (151, 133443368), (236, 85381138), (269, 74906872), (302, 66721684), (472, 42690569), (538, 37453436), (604, 33360842), (1051, 19172168), (1076, 18726718), (1208, 16680421), (2102, 9586084), (2152, 9363359), (4204, 4793042), (8408, 2396521), (8909, 2261752), (15871, 1269608), (17818, 1130876), (31742, 634804), (35636, 565438), (40619, 496072), (62009, 324952), (63484, 317402), (71272, 282719), (81238, 248036), (124018, 162476), (126968, 158701)]