20191800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 63589680

約数和(自身を除く): 43397880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 73, 75, 100, 120, 146, 150, 200, 219, 292, 300, 365, 438, 461, 584, 600, 730, 876, 922, 1095, 1383, 1460, 1752, 1825, 1844, 2190, 2305, 2766, 2920, 3650, 3688, 4380, 4610, 5475, 5532, 6915, 7300, 8760, 9220, 10950, 11064, 11525, 13830, 14600, 18440, 21900, 23050, 27660, 33653, 34575, 43800, 46100, 55320, 67306, 69150, 92200, 100959, 134612, 138300, 168265, 201918, 269224, 276600, 336530, 403836, 504795, 673060, 807672, 841325, 1009590, 1346120, 1682650, 2019180, 2523975, 3365300, 4038360, 5047950, 6730600, 10095900, 20191800]

約数ペア:

[(1, 20191800), (2, 10095900), (3, 6730600), (4, 5047950), (5, 4038360), (6, 3365300), (8, 2523975), (10, 2019180), (12, 1682650), (15, 1346120), (20, 1009590), (24, 841325), (25, 807672), (30, 673060), (40, 504795), (50, 403836), (60, 336530), (73, 276600), (75, 269224), (100, 201918), (120, 168265), (146, 138300), (150, 134612), (200, 100959), (219, 92200), (292, 69150), (300, 67306), (365, 55320), (438, 46100), (461, 43800), (584, 34575), (600, 33653), (730, 27660), (876, 23050), (922, 21900), (1095, 18440), (1383, 14600), (1460, 13830), (1752, 11525), (1825, 11064), (1844, 10950), (2190, 9220), (2305, 8760), (2766, 7300), (2920, 6915), (3650, 5532), (3688, 5475), (4380, 4610)]