20822100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 68537280

約数和(自身を除く): 47715180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 281, 285, 300, 325, 380, 390, 475, 494, 562, 570, 650, 741, 780, 843, 950, 975, 988, 1124, 1140, 1235, 1300, 1405, 1425, 1482, 1686, 1900, 1950, 2470, 2810, 2850, 2964, 3372, 3653, 3705, 3900, 4215, 4940, 5339, 5620, 5700, 6175, 7025, 7306, 7410, 8430, 10678, 10959, 12350, 14050, 14612, 14820, 16017, 16860, 18265, 18525, 21075, 21356, 21918, 24700, 26695, 28100, 32034, 36530, 37050, 42150, 43836, 53390, 54795, 64068, 69407, 73060, 74100, 80085, 84300, 91325, 106780, 109590, 133475, 138814, 160170, 182650, 208221, 219180, 266950, 273975, 277628, 320340, 347035, 365300, 400425, 416442, 533900, 547950, 694070, 800850, 832884, 1041105, 1095900, 1388140, 1601700, 1735175, 2082210, 3470350, 4164420, 5205525, 6940700, 10411050, 20822100]

約数ペア:

[(1, 20822100), (2, 10411050), (3, 6940700), (4, 5205525), (5, 4164420), (6, 3470350), (10, 2082210), (12, 1735175), (13, 1601700), (15, 1388140), (19, 1095900), (20, 1041105), (25, 832884), (26, 800850), (30, 694070), (38, 547950), (39, 533900), (50, 416442), (52, 400425), (57, 365300), (60, 347035), (65, 320340), (75, 277628), (76, 273975), (78, 266950), (95, 219180), (100, 208221), (114, 182650), (130, 160170), (150, 138814), (156, 133475), (190, 109590), (195, 106780), (228, 91325), (247, 84300), (260, 80085), (281, 74100), (285, 73060), (300, 69407), (325, 64068), (380, 54795), (390, 53390), (475, 43836), (494, 42150), (562, 37050), (570, 36530), (650, 32034), (741, 28100), (780, 26695), (843, 24700), (950, 21918), (975, 21356), (988, 21075), (1124, 18525), (1140, 18265), (1235, 16860), (1300, 16017), (1405, 14820), (1425, 14612), (1482, 14050), (1686, 12350), (1900, 10959), (1950, 10678), (2470, 8430), (2810, 7410), (2850, 7306), (2964, 7025), (3372, 6175), (3653, 5700), (3705, 5620), (3900, 5339), (4215, 4940)]