20290308

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 49121856

約数和(自身を除く): 28831548

約数列:

[1, 2, 3, 4, 6, 12, 53, 61, 106, 122, 159, 183, 212, 244, 318, 366, 523, 636, 732, 1046, 1569, 2092, 3138, 3233, 6276, 6466, 9699, 12932, 19398, 27719, 31903, 38796, 55438, 63806, 83157, 95709, 110876, 127612, 166314, 191418, 332628, 382836, 1690859, 3381718, 5072577, 6763436, 10145154, 20290308]

約数ペア:

[(1, 20290308), (2, 10145154), (3, 6763436), (4, 5072577), (6, 3381718), (12, 1690859), (53, 382836), (61, 332628), (106, 191418), (122, 166314), (159, 127612), (183, 110876), (212, 95709), (244, 83157), (318, 63806), (366, 55438), (523, 38796), (636, 31903), (732, 27719), (1046, 19398), (1569, 12932), (2092, 9699), (3138, 6466), (3233, 6276)]