20246590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 47255040

約数和(自身を除く): 27008450

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1171, 1235, 1330, 1729, 2342, 2470, 3458, 5855, 8197, 8645, 11710, 15223, 16394, 17290, 22249, 30446, 40985, 44498, 76115, 81970, 106561, 111245, 152230, 155743, 213122, 222490, 289237, 311486, 532805, 578474, 778715, 1065610, 1446185, 1557430, 2024659, 2892370, 4049318, 10123295, 20246590]

約数ペア:

[(1, 20246590), (2, 10123295), (5, 4049318), (7, 2892370), (10, 2024659), (13, 1557430), (14, 1446185), (19, 1065610), (26, 778715), (35, 578474), (38, 532805), (65, 311486), (70, 289237), (91, 222490), (95, 213122), (130, 155743), (133, 152230), (182, 111245), (190, 106561), (247, 81970), (266, 76115), (455, 44498), (494, 40985), (665, 30446), (910, 22249), (1171, 17290), (1235, 16394), (1330, 15223), (1729, 11710), (2342, 8645), (2470, 8197), (3458, 5855)]