20720110532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{661}}^1\times {\mathrm{1091}}^1$

素因数の和:2420

約数の個数: 48

約数和(自身を含む): 39713454144

約数和(自身を除く): 18993343612

約数列:

[1, 2, 4, 11, 22, 44, 653, 661, 1091, 1306, 1322, 2182, 2612, 2644, 4364, 7183, 7271, 12001, 14366, 14542, 24002, 28732, 29084, 48004, 431633, 712423, 721151, 863266, 1424846, 1442302, 1726532, 2849692, 2884604, 4747963, 7836653, 7932661, 9495926, 15673306, 15865322, 18991852, 31346612, 31730644, 470911603, 941823206, 1883646412, 5180027633, 10360055266, 20720110532]

約数ペア:

[(1, 20720110532), (2, 10360055266), (4, 5180027633), (11, 1883646412), (22, 941823206), (44, 470911603), (653, 31730644), (661, 31346612), (1091, 18991852), (1306, 15865322), (1322, 15673306), (2182, 9495926), (2612, 7932661), (2644, 7836653), (4364, 4747963), (7183, 2884604), (7271, 2849692), (12001, 1726532), (14366, 1442302), (14542, 1424846), (24002, 863266), (28732, 721151), (29084, 712423), (48004, 431633)]