20042050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 42979392

約数和(自身を除く): 22937342

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 173, 175, 331, 346, 350, 662, 865, 1211, 1655, 1730, 2317, 2422, 3310, 4325, 4634, 6055, 8275, 8650, 11585, 12110, 16550, 23170, 30275, 57263, 57925, 60550, 114526, 115850, 286315, 400841, 572630, 801682, 1431575, 2004205, 2863150, 4008410, 10021025, 20042050]

約数ペア:

[(1, 20042050), (2, 10021025), (5, 4008410), (7, 2863150), (10, 2004205), (14, 1431575), (25, 801682), (35, 572630), (50, 400841), (70, 286315), (173, 115850), (175, 114526), (331, 60550), (346, 57925), (350, 57263), (662, 30275), (865, 23170), (1211, 16550), (1655, 12110), (1730, 11585), (2317, 8650), (2422, 8275), (3310, 6055), (4325, 4634)]