20041340672

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{3911}}^1$

素因数の和:4505

約数の個数: 72

約数和(自身を含む): 41172063072

約数和(自身を除く): 21130722400

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 541, 592, 1082, 1184, 2164, 2368, 3911, 4328, 4736, 7822, 8656, 9472, 15644, 17312, 20017, 31288, 34624, 40034, 62576, 69248, 80068, 125152, 138496, 144707, 160136, 250304, 289414, 320272, 500608, 578828, 640544, 1001216, 1157656, 1281088, 2115851, 2315312, 2562176, 4231702, 4630624, 5124352, 8463404, 9261248, 16926808, 18522496, 33853616, 37044992, 67707232, 78286487, 135414464, 156572974, 270828928, 313145948, 541657856, 626291896, 1252583792, 2505167584, 5010335168, 10020670336, 20041340672]

約数ペア:

[(1, 20041340672), (2, 10020670336), (4, 5010335168), (8, 2505167584), (16, 1252583792), (32, 626291896), (37, 541657856), (64, 313145948), (74, 270828928), (128, 156572974), (148, 135414464), (256, 78286487), (296, 67707232), (541, 37044992), (592, 33853616), (1082, 18522496), (1184, 16926808), (2164, 9261248), (2368, 8463404), (3911, 5124352), (4328, 4630624), (4736, 4231702), (7822, 2562176), (8656, 2315312), (9472, 2115851), (15644, 1281088), (17312, 1157656), (20017, 1001216), (31288, 640544), (34624, 578828), (40034, 500608), (62576, 320272), (69248, 289414), (80068, 250304), (125152, 160136), (138496, 144707)]