20097721712

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{619}}^1\times {\mathrm{18617}}^1$

素因数の和:19353

約数の個数: 40

約数和(自身を含む): 39362175600

約数和(自身を除く): 19264453888

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 619, 872, 1238, 1744, 2476, 4952, 9904, 18617, 37234, 67471, 74468, 134942, 148936, 269884, 297872, 539768, 1079536, 2029253, 4058506, 8117012, 11523923, 16234024, 23047846, 32468048, 46095692, 92191384, 184382768, 1256107607, 2512215214, 5024430428, 10048860856, 20097721712]

約数ペア:

[(1, 20097721712), (2, 10048860856), (4, 5024430428), (8, 2512215214), (16, 1256107607), (109, 184382768), (218, 92191384), (436, 46095692), (619, 32468048), (872, 23047846), (1238, 16234024), (1744, 11523923), (2476, 8117012), (4952, 4058506), (9904, 2029253), (18617, 1079536), (37234, 539768), (67471, 297872), (74468, 269884), (134942, 148936)]