20712690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{617}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 54084888

約数和(自身を除く): 33372198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 373, 617, 746, 1119, 1234, 1851, 1865, 2238, 3085, 3357, 3702, 3730, 5553, 5595, 6170, 6714, 9255, 11106, 11190, 16785, 18510, 27765, 33570, 55530, 230141, 460282, 690423, 1150705, 1380846, 2071269, 2301410, 3452115, 4142538, 6904230, 10356345, 20712690]

約数ペア:

[(1, 20712690), (2, 10356345), (3, 6904230), (5, 4142538), (6, 3452115), (9, 2301410), (10, 2071269), (15, 1380846), (18, 1150705), (30, 690423), (45, 460282), (90, 230141), (373, 55530), (617, 33570), (746, 27765), (1119, 18510), (1234, 16785), (1851, 11190), (1865, 11106), (2238, 9255), (3085, 6714), (3357, 6170), (3702, 5595), (3730, 5553)]