20784075648

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7732171}}^1$

素因数の和:7732195

約数の個数: 64

約数和(自身を含む): 63094523520

約数和(自身を除く): 42310447872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7732171, 15464342, 23196513, 30928684, 46393026, 54125197, 61857368, 92786052, 108250394, 123714736, 162375591, 185572104, 216500788, 247429472, 324751182, 371144208, 433001576, 494858944, 649502364, 742288416, 866003152, 989717888, 1299004728, 1484576832, 1732006304, 2598009456, 2969153664, 3464012608, 5196018912, 6928025216, 10392037824, 20784075648]

約数ペア:

[(1, 20784075648), (2, 10392037824), (3, 6928025216), (4, 5196018912), (6, 3464012608), (7, 2969153664), (8, 2598009456), (12, 1732006304), (14, 1484576832), (16, 1299004728), (21, 989717888), (24, 866003152), (28, 742288416), (32, 649502364), (42, 494858944), (48, 433001576), (56, 371144208), (64, 324751182), (84, 247429472), (96, 216500788), (112, 185572104), (128, 162375591), (168, 123714736), (192, 108250394), (224, 92786052), (336, 61857368), (384, 54125197), (448, 46393026), (672, 30928684), (896, 23196513), (1344, 15464342), (2688, 7732171)]