20196830920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{188333}}^1$

素因数の和:188734

約数の個数: 64

約数和(自身を含む): 52070584320

約数和(自身を除く): 31873753400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 1532, 1915, 2681, 3064, 3830, 5362, 7660, 10724, 13405, 15320, 21448, 26810, 53620, 107240, 188333, 376666, 753332, 941665, 1318331, 1506664, 1883330, 2636662, 3766660, 5273324, 6591655, 7533320, 10546648, 13183310, 26366620, 52733240, 72131539, 144263078, 288526156, 360657695, 504920773, 577052312, 721315390, 1009841546, 1442630780, 2019683092, 2524603865, 2885261560, 4039366184, 5049207730, 10098415460, 20196830920]

約数ペア:

[(1, 20196830920), (2, 10098415460), (4, 5049207730), (5, 4039366184), (7, 2885261560), (8, 2524603865), (10, 2019683092), (14, 1442630780), (20, 1009841546), (28, 721315390), (35, 577052312), (40, 504920773), (56, 360657695), (70, 288526156), (140, 144263078), (280, 72131539), (383, 52733240), (766, 26366620), (1532, 13183310), (1915, 10546648), (2681, 7533320), (3064, 6591655), (3830, 5273324), (5362, 3766660), (7660, 2636662), (10724, 1883330), (13405, 1506664), (15320, 1318331), (21448, 941665), (26810, 753332), (53620, 376666), (107240, 188333)]