20299754920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{75307}}^1$

素因数の和:75634

約数の個数: 64

約数和(自身を含む): 47823592320

約数和(自身を除く): 27523837400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 293, 460, 586, 920, 1172, 1465, 2344, 2930, 5860, 6739, 11720, 13478, 26956, 33695, 53912, 67390, 75307, 134780, 150614, 269560, 301228, 376535, 602456, 753070, 1506140, 1732061, 3012280, 3464122, 6928244, 8660305, 13856488, 17320610, 22064951, 34641220, 44129902, 69282440, 88259804, 110324755, 176519608, 220649510, 441299020, 507493873, 882598040, 1014987746, 2029975492, 2537469365, 4059950984, 5074938730, 10149877460, 20299754920]

約数ペア:

[(1, 20299754920), (2, 10149877460), (4, 5074938730), (5, 4059950984), (8, 2537469365), (10, 2029975492), (20, 1014987746), (23, 882598040), (40, 507493873), (46, 441299020), (92, 220649510), (115, 176519608), (184, 110324755), (230, 88259804), (293, 69282440), (460, 44129902), (586, 34641220), (920, 22064951), (1172, 17320610), (1465, 13856488), (2344, 8660305), (2930, 6928244), (5860, 3464122), (6739, 3012280), (11720, 1732061), (13478, 1506140), (26956, 753070), (33695, 602456), (53912, 376535), (67390, 301228), (75307, 269560), (134780, 150614)]