20193587512

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2594243}}^1$

素因数の和:2594395

約数の個数: 32

約数和(自身を含む): 43583299200

約数和(自身を除く): 23389711688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 2594243, 5188486, 10376972, 18159701, 20753944, 36319402, 72638804, 145277608, 360599777, 721199554, 1442399108, 2524198439, 2884798216, 5048396878, 10096793756, 20193587512]

約数ペア:

[(1, 20193587512), (2, 10096793756), (4, 5048396878), (7, 2884798216), (8, 2524198439), (14, 1442399108), (28, 721199554), (56, 360599777), (139, 145277608), (278, 72638804), (556, 36319402), (973, 20753944), (1112, 18159701), (1946, 10376972), (3892, 5188486), (7784, 2594243)]