20038844

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5418

約数の個数: 36

約数和(自身を含む): 42948360

約数和(自身を除く): 22909516

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5381, 10762, 21524, 37667, 75334, 102239, 150668, 204478, 263669, 408956, 527338, 715673, 1054676, 1431346, 2862692, 5009711, 10019422, 20038844]

約数ペア:

[(1, 20038844), (2, 10019422), (4, 5009711), (7, 2862692), (14, 1431346), (19, 1054676), (28, 715673), (38, 527338), (49, 408956), (76, 263669), (98, 204478), (133, 150668), (196, 102239), (266, 75334), (532, 37667), (931, 21524), (1862, 10762), (3724, 5381)]