20122969400

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{617269}}^1$

素因数の和:617448

約数の個数: 48

約数和(自身を含む): 47073010200

約数和(自身を除く): 26950040800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 200, 326, 652, 815, 1304, 1630, 3260, 4075, 6520, 8150, 16300, 32600, 617269, 1234538, 2469076, 3086345, 4938152, 6172690, 12345380, 15431725, 24690760, 30863450, 61726900, 100614847, 123453800, 201229694, 402459388, 503074235, 804918776, 1006148470, 2012296940, 2515371175, 4024593880, 5030742350, 10061484700, 20122969400]

約数ペア:

[(1, 20122969400), (2, 10061484700), (4, 5030742350), (5, 4024593880), (8, 2515371175), (10, 2012296940), (20, 1006148470), (25, 804918776), (40, 503074235), (50, 402459388), (100, 201229694), (163, 123453800), (200, 100614847), (326, 61726900), (652, 30863450), (815, 24690760), (1304, 15431725), (1630, 12345380), (3260, 6172690), (4075, 4938152), (6520, 3086345), (8150, 2469076), (16300, 1234538), (32600, 617269)]