20199691515

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{109049}}^1$

素因数の和:109343

約数の個数: 32

約数和(自身を含む): 33070939200

約数和(自身を除く): 12871247685

約数列:

[1, 3, 5, 15, 53, 159, 233, 265, 699, 795, 1165, 3495, 12349, 37047, 61745, 109049, 185235, 327147, 545245, 1635735, 5779597, 17338791, 25408417, 28897985, 76225251, 86693955, 127042085, 381126255, 1346646101, 4039938303, 6733230505, 20199691515]

約数ペア:

[(1, 20199691515), (3, 6733230505), (5, 4039938303), (15, 1346646101), (53, 381126255), (159, 127042085), (233, 86693955), (265, 76225251), (699, 28897985), (795, 25408417), (1165, 17338791), (3495, 5779597), (12349, 1635735), (37047, 545245), (61745, 327147), (109049, 185235)]