20052350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 40818816

約数和(自身を除く): 20766466

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 155, 170, 310, 425, 527, 761, 775, 850, 1054, 1522, 1550, 2635, 3805, 5270, 7610, 12937, 13175, 19025, 23591, 25874, 26350, 38050, 47182, 64685, 117955, 129370, 235910, 323425, 401047, 589775, 646850, 802094, 1179550, 2005235, 4010470, 10026175, 20052350]

約数ペア:

[(1, 20052350), (2, 10026175), (5, 4010470), (10, 2005235), (17, 1179550), (25, 802094), (31, 646850), (34, 589775), (50, 401047), (62, 323425), (85, 235910), (155, 129370), (170, 117955), (310, 64685), (425, 47182), (527, 38050), (761, 26350), (775, 25874), (850, 23591), (1054, 19025), (1522, 13175), (1550, 12937), (2635, 7610), (3805, 5270)]