20235946780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{743}}^1\times {\mathrm{857}}^1$

素因数の和:1843

約数の個数: 96

約数和(自身を含む): 48902870016

約数和(自身を除く): 28666923236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 743, 857, 908, 1135, 1486, 1589, 1714, 2270, 2972, 3178, 3428, 3715, 4285, 4540, 5201, 5999, 6356, 7430, 7945, 8570, 10402, 11998, 14860, 15890, 17140, 20804, 23996, 26005, 29995, 31780, 52010, 59990, 104020, 119980, 168661, 194539, 337322, 389078, 636751, 674644, 778156, 843305, 972695, 1180627, 1273502, 1361773, 1686610, 1945390, 2361254, 2547004, 2723546, 3183755, 3373220, 3890780, 4457257, 4722508, 5447092, 5903135, 6367510, 6808865, 8914514, 11806270, 12735020, 13617730, 17829028, 22286285, 23612540, 27235460, 44572570, 89145140, 144542477, 289084954, 578169908, 722712385, 1011797339, 1445424770, 2023594678, 2890849540, 4047189356, 5058986695, 10117973390, 20235946780]

約数ペア:

[(1, 20235946780), (2, 10117973390), (4, 5058986695), (5, 4047189356), (7, 2890849540), (10, 2023594678), (14, 1445424770), (20, 1011797339), (28, 722712385), (35, 578169908), (70, 289084954), (140, 144542477), (227, 89145140), (454, 44572570), (743, 27235460), (857, 23612540), (908, 22286285), (1135, 17829028), (1486, 13617730), (1589, 12735020), (1714, 11806270), (2270, 8914514), (2972, 6808865), (3178, 6367510), (3428, 5903135), (3715, 5447092), (4285, 4722508), (4540, 4457257), (5201, 3890780), (5999, 3373220), (6356, 3183755), (7430, 2723546), (7945, 2547004), (8570, 2361254), (10402, 1945390), (11998, 1686610), (14860, 1361773), (15890, 1273502), (17140, 1180627), (20804, 972695), (23996, 843305), (26005, 778156), (29995, 674644), (31780, 636751), (52010, 389078), (59990, 337322), (104020, 194539), (119980, 168661)]