16793980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 23848580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 863, 973, 1390, 1726, 1946, 2780, 3452, 3892, 4315, 4865, 6041, 8630, 9730, 12082, 17260, 19460, 24164, 30205, 60410, 119957, 120820, 239914, 479828, 599785, 839699, 1199570, 1679398, 2399140, 3358796, 4198495, 8396990, 16793980]

約数ペア:

[(1, 16793980), (2, 8396990), (4, 4198495), (5, 3358796), (7, 2399140), (10, 1679398), (14, 1199570), (20, 839699), (28, 599785), (35, 479828), (70, 239914), (139, 120820), (140, 119957), (278, 60410), (556, 30205), (695, 24164), (863, 19460), (973, 17260), (1390, 12082), (1726, 9730), (1946, 8630), (2780, 6041), (3452, 4865), (3892, 4315)]