20275668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 59579520

約数和(自身を除く): 39303852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1319, 1708, 2196, 2562, 2638, 3843, 3957, 5124, 5276, 7686, 7914, 9233, 11871, 15372, 15828, 18466, 23742, 27699, 36932, 47484, 55398, 80459, 83097, 110796, 160918, 166194, 241377, 321836, 332388, 482754, 563213, 724131, 965508, 1126426, 1448262, 1689639, 2252852, 2896524, 3379278, 5068917, 6758556, 10137834, 20275668]

約数ペア:

[(1, 20275668), (2, 10137834), (3, 6758556), (4, 5068917), (6, 3379278), (7, 2896524), (9, 2252852), (12, 1689639), (14, 1448262), (18, 1126426), (21, 965508), (28, 724131), (36, 563213), (42, 482754), (61, 332388), (63, 321836), (84, 241377), (122, 166194), (126, 160918), (183, 110796), (244, 83097), (252, 80459), (366, 55398), (427, 47484), (549, 36932), (732, 27699), (854, 23742), (1098, 18466), (1281, 15828), (1319, 15372), (1708, 11871), (2196, 9233), (2562, 7914), (2638, 7686), (3843, 5276), (3957, 5124)]