20818477800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{373091}}^1$

素因数の和:373144

約数の個数: 144

約数和(自身を含む): 72170916480

約数和(自身を除く): 51352438680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 72, 75, 90, 93, 100, 120, 124, 150, 155, 180, 186, 200, 225, 248, 279, 300, 310, 360, 372, 450, 465, 558, 600, 620, 744, 775, 900, 930, 1116, 1240, 1395, 1550, 1800, 1860, 2232, 2325, 2790, 3100, 3720, 4650, 5580, 6200, 6975, 9300, 11160, 13950, 18600, 27900, 55800, 373091, 746182, 1119273, 1492364, 1865455, 2238546, 2984728, 3357819, 3730910, 4477092, 5596365, 6715638, 7461820, 8954184, 9327275, 11192730, 11565821, 13431276, 14923640, 16789095, 18654550, 22385460, 23131642, 26862552, 27981825, 33578190, 34697463, 37309100, 44770920, 46263284, 55963650, 57829105, 67156380, 69394926, 74618200, 83945475, 92526568, 104092389, 111927300, 115658210, 134312760, 138789852, 167890950, 173487315, 208184778, 223854600, 231316420, 277579704, 289145525, 335781900, 346974630, 416369556, 462632840, 520461945, 578291050, 671563800, 693949260, 832739112, 867436575, 1040923890, 1156582100, 1387898520, 1734873150, 2081847780, 2313164200, 2602309725, 3469746300, 4163695560, 5204619450, 6939492600, 10409238900, 20818477800]

約数ペア:

[(1, 20818477800), (2, 10409238900), (3, 6939492600), (4, 5204619450), (5, 4163695560), (6, 3469746300), (8, 2602309725), (9, 2313164200), (10, 2081847780), (12, 1734873150), (15, 1387898520), (18, 1156582100), (20, 1040923890), (24, 867436575), (25, 832739112), (30, 693949260), (31, 671563800), (36, 578291050), (40, 520461945), (45, 462632840), (50, 416369556), (60, 346974630), (62, 335781900), (72, 289145525), (75, 277579704), (90, 231316420), (93, 223854600), (100, 208184778), (120, 173487315), (124, 167890950), (150, 138789852), (155, 134312760), (180, 115658210), (186, 111927300), (200, 104092389), (225, 92526568), (248, 83945475), (279, 74618200), (300, 69394926), (310, 67156380), (360, 57829105), (372, 55963650), (450, 46263284), (465, 44770920), (558, 37309100), (600, 34697463), (620, 33578190), (744, 27981825), (775, 26862552), (900, 23131642), (930, 22385460), (1116, 18654550), (1240, 16789095), (1395, 14923640), (1550, 13431276), (1800, 11565821), (1860, 11192730), (2232, 9327275), (2325, 8954184), (2790, 7461820), (3100, 6715638), (3720, 5596365), (4650, 4477092), (5580, 3730910), (6200, 3357819), (6975, 2984728), (9300, 2238546), (11160, 1865455), (13950, 1492364), (18600, 1119273), (27900, 746182), (55800, 373091)]