20091300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 58600416

約数和(自身を除く): 38509116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 193, 300, 347, 386, 579, 694, 772, 965, 1041, 1158, 1388, 1735, 1930, 2082, 2316, 2895, 3470, 3860, 4164, 4825, 5205, 5790, 6940, 8675, 9650, 10410, 11580, 14475, 17350, 19300, 20820, 26025, 28950, 34700, 52050, 57900, 66971, 104100, 133942, 200913, 267884, 334855, 401826, 669710, 803652, 1004565, 1339420, 1674275, 2009130, 3348550, 4018260, 5022825, 6697100, 10045650, 20091300]

約数ペア:

[(1, 20091300), (2, 10045650), (3, 6697100), (4, 5022825), (5, 4018260), (6, 3348550), (10, 2009130), (12, 1674275), (15, 1339420), (20, 1004565), (25, 803652), (30, 669710), (50, 401826), (60, 334855), (75, 267884), (100, 200913), (150, 133942), (193, 104100), (300, 66971), (347, 57900), (386, 52050), (579, 34700), (694, 28950), (772, 26025), (965, 20820), (1041, 19300), (1158, 17350), (1388, 14475), (1735, 11580), (1930, 10410), (2082, 9650), (2316, 8675), (2895, 6940), (3470, 5790), (3860, 5205), (4164, 4825)]