20609490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 57278016

約数和(自身を除く): 36668526

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 165, 173, 190, 209, 285, 330, 346, 361, 418, 519, 570, 627, 722, 865, 1038, 1045, 1083, 1254, 1730, 1805, 1903, 2090, 2166, 2595, 3135, 3287, 3610, 3806, 3971, 5190, 5415, 5709, 6270, 6574, 7942, 9515, 9861, 10830, 11418, 11913, 16435, 19030, 19722, 19855, 23826, 28545, 32870, 36157, 39710, 49305, 57090, 59565, 62453, 72314, 98610, 108471, 119130, 124906, 180785, 187359, 216942, 312265, 361570, 374718, 542355, 624530, 686983, 936795, 1084710, 1373966, 1873590, 2060949, 3434915, 4121898, 6869830, 10304745, 20609490]

約数ペア:

[(1, 20609490), (2, 10304745), (3, 6869830), (5, 4121898), (6, 3434915), (10, 2060949), (11, 1873590), (15, 1373966), (19, 1084710), (22, 936795), (30, 686983), (33, 624530), (38, 542355), (55, 374718), (57, 361570), (66, 312265), (95, 216942), (110, 187359), (114, 180785), (165, 124906), (173, 119130), (190, 108471), (209, 98610), (285, 72314), (330, 62453), (346, 59565), (361, 57090), (418, 49305), (519, 39710), (570, 36157), (627, 32870), (722, 28545), (865, 23826), (1038, 19855), (1045, 19722), (1083, 19030), (1254, 16435), (1730, 11913), (1805, 11418), (1903, 10830), (2090, 9861), (2166, 9515), (2595, 7942), (3135, 6574), (3287, 6270), (3610, 5709), (3806, 5415), (3971, 5190)]