20120855429

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 22837228800

約数和(自身を除く): 2716373371

約数列:

[1, 19, 29, 47, 61, 271, 551, 893, 1159, 1363, 1769, 2209, 2867, 5149, 7859, 12737, 16531, 25897, 33611, 41971, 54473, 64061, 83143, 134749, 149321, 242003, 314089, 369373, 479399, 598639, 776957, 1217159, 1579717, 2560231, 3907721, 7018087, 9108581, 11374141, 14762183, 17360531, 22531753, 36516979, 74246699, 329850089, 428103307, 693822601, 1058992391, 20120855429]

約数ペア:

[(1, 20120855429), (19, 1058992391), (29, 693822601), (47, 428103307), (61, 329850089), (271, 74246699), (551, 36516979), (893, 22531753), (1159, 17360531), (1363, 14762183), (1769, 11374141), (2209, 9108581), (2867, 7018087), (5149, 3907721), (7859, 2560231), (12737, 1579717), (16531, 1217159), (25897, 776957), (33611, 598639), (41971, 479399), (54473, 369373), (64061, 314089), (83143, 242003), (134749, 149321)]